diff --git a/dal/db_query/queries.sql b/dal/db_query/queries.sql
index 35e6ff8..59bd829 100644
--- a/dal/db_query/queries.sql
+++ b/dal/db_query/queries.sql
@@ -535,31 +535,37 @@ WITH Funnel AS (
              COUNT(*) >= 1
      ),
      Questions AS (
-         SELECT
-             q.id,
-             q.title AS question_title,
-             a.content AS answer_content,
-             CAST(COUNT(*) * 100.0 / NULLIF(q.total_answers, 0) AS INTEGER) AS percentage
-         FROM
-             answer a
-                 JOIN (
-                 SELECT q.id, q.title, COUNT(*) AS total_answers
-                 FROM question q
-                          JOIN answer a ON q.id = a.question_id
-                 WHERE a.quiz_id = $1
-                   AND a.created_at >= TO_TIMESTAMP($2)
-                   AND a.created_at <= TO_TIMESTAMP($3)
-                 GROUP BY q.id, q.title
-             ) q ON a.question_id = q.id
-         WHERE
-             a.quiz_id = $1
-           AND a.created_at >= TO_TIMESTAMP($2)
-           AND a.created_at <= TO_TIMESTAMP($3)
-         GROUP BY
-             q.id, q.title, a.content, q.total_answers
-         HAVING
-             COUNT(*) >= 1
-     )
+    SELECT
+        q.title AS question_title,
+        NULL AS answer_content,
+        CAST(COUNT(*) * 100.0 / NULLIF(q.total_answers, 0) AS INTEGER) AS percentage
+    FROM
+        answer a
+    JOIN (
+        SELECT
+            q.id,
+            q.title,
+            COUNT(*) AS total_answers
+        FROM
+            question q
+        JOIN
+            answer a ON q.id = a.question_id
+        WHERE
+            a.quiz_id = $1
+            AND a.created_at >= TO_TIMESTAMP($2)
+            AND a.created_at <= TO_TIMESTAMP($3)
+        GROUP BY
+            q.id, q.title
+    ) q ON a.question_id = q.id
+    WHERE
+        a.quiz_id = $1
+        AND a.created_at >= TO_TIMESTAMP($2)
+        AND a.created_at <= TO_TIMESTAMP($3)
+    GROUP BY
+        q.title, q.total_answers
+    HAVING
+        COUNT(*) >= 1
+)
 SELECT
     Funnel.count_start_false,
     Funnel.count_start_true,
diff --git a/dal/sqlcgen/queries.sql.go b/dal/sqlcgen/queries.sql.go
index 172343f..18da995 100644
--- a/dal/sqlcgen/queries.sql.go
+++ b/dal/sqlcgen/queries.sql.go
@@ -1629,31 +1629,37 @@ WITH Funnel AS (
              COUNT(*) >= 1
      ),
      Questions AS (
-         SELECT
-             q.id,
-             q.title AS question_title,
-             a.content AS answer_content,
-             CAST(COUNT(*) * 100.0 / NULLIF(q.total_answers, 0) AS INTEGER) AS percentage
-         FROM
-             answer a
-                 JOIN (
-                 SELECT q.id, q.title, COUNT(*) AS total_answers
-                 FROM question q
-                          JOIN answer a ON q.id = a.question_id
-                 WHERE a.quiz_id = $1
-                   AND a.created_at >= TO_TIMESTAMP($2)
-                   AND a.created_at <= TO_TIMESTAMP($3)
-                 GROUP BY q.id, q.title
-             ) q ON a.question_id = q.id
-         WHERE
-             a.quiz_id = $1
-           AND a.created_at >= TO_TIMESTAMP($2)
-           AND a.created_at <= TO_TIMESTAMP($3)
-         GROUP BY
-             q.id, q.title, a.content, q.total_answers
-         HAVING
-             COUNT(*) >= 1
-     )
+    SELECT
+        q.title AS question_title,
+        NULL AS answer_content,
+        CAST(COUNT(*) * 100.0 / NULLIF(q.total_answers, 0) AS INTEGER) AS percentage
+    FROM
+        answer a
+    JOIN (
+        SELECT
+            q.id,
+            q.title,
+            COUNT(*) AS total_answers
+        FROM
+            question q
+        JOIN
+            answer a ON q.id = a.question_id
+        WHERE
+            a.quiz_id = $1
+            AND a.created_at >= TO_TIMESTAMP($2)
+            AND a.created_at <= TO_TIMESTAMP($3)
+        GROUP BY
+            q.id, q.title
+    ) q ON a.question_id = q.id
+    WHERE
+        a.quiz_id = $1
+        AND a.created_at >= TO_TIMESTAMP($2)
+        AND a.created_at <= TO_TIMESTAMP($3)
+    GROUP BY
+        q.title, q.total_answers
+    HAVING
+        COUNT(*) >= 1
+)
 SELECT
     Funnel.count_start_false,
     Funnel.count_start_true,
@@ -1679,15 +1685,15 @@ type QuestionsStatisticsParams struct {
 }
 
 type QuestionsStatisticsRow struct {
-	CountStartFalse           int64          `db:"count_start_false" json:"count_start_false"`
-	CountStartTrue            int64          `db:"count_start_true" json:"count_start_true"`
-	CountFResultWithTQuestion int64          `db:"count_f_result_with_t_question" json:"count_f_result_with_t_question"`
-	CountTResult              int64          `db:"count_t_result" json:"count_t_result"`
-	ResultsTitle              string         `db:"results_title" json:"results_title"`
-	ResultsPercentage         int32          `db:"results_percentage" json:"results_percentage"`
-	QuestionsTitle            string         `db:"questions_title" json:"questions_title"`
-	AnswerContent             sql.NullString `db:"answer_content" json:"answer_content"`
-	QuestionsPercentage       int32          `db:"questions_percentage" json:"questions_percentage"`
+	CountStartFalse           int64       `db:"count_start_false" json:"count_start_false"`
+	CountStartTrue            int64       `db:"count_start_true" json:"count_start_true"`
+	CountFResultWithTQuestion int64       `db:"count_f_result_with_t_question" json:"count_f_result_with_t_question"`
+	CountTResult              int64       `db:"count_t_result" json:"count_t_result"`
+	ResultsTitle              string      `db:"results_title" json:"results_title"`
+	ResultsPercentage         int32       `db:"results_percentage" json:"results_percentage"`
+	QuestionsTitle            string      `db:"questions_title" json:"questions_title"`
+	AnswerContent             interface{} `db:"answer_content" json:"answer_content"`
+	QuestionsPercentage       int32       `db:"questions_percentage" json:"questions_percentage"`
 }
 
 func (q *Queries) QuestionsStatistics(ctx context.Context, arg QuestionsStatisticsParams) ([]QuestionsStatisticsRow, error) {