diff --git a/swad_changelog.h b/swad_changelog.h
index 1cabcafe..0f28bc8f 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -606,10 +606,11 @@ TODO: Fix bug: error al enviar un mensaje a dos recipientes, error on duplicate
 
 TODO: Attach pdf files in multimedia.
 */
-#define Log_PLATFORM_VERSION	"SWAD 21.97.1 (2022-05-30)"
+#define Log_PLATFORM_VERSION	"SWAD 21.97.2 (2022-06-02)"
 #define CSS_FILE		"swad21.97.1.css"
 #define JS_FILE			"swad21.92.js"
 /*
+	Version 21.97.2:  Jun 02, 2022  Fixed bug in surveys. (323168 lines)
 	Version 21.97.1:  May 30, 2022  Fixing design of dark theme. (323166 lines)
 	Version 21.97:    May 25, 2022  Code refactoring in timeline. (? lines)
 	Version 21.96.7:  May 19, 2022  Fixed bug in places. (323157 lines)
diff --git a/swad_parameter.c b/swad_parameter.c
index f471d980..6859543c 100644
--- a/swad_parameter.c
+++ b/swad_parameter.c
@@ -101,7 +101,7 @@ bool Par_GetQueryString (void)
      }
    else
      {
-      /***** PUSH method *****/
+      /***** POST method *****/
       /* Get content length */
       if (getenv ("CONTENT_LENGTH"))
 	{
diff --git a/swad_survey.c b/swad_survey.c
index 43551c1c..54faeec0 100644
--- a/swad_survey.c
+++ b/swad_survey.c
@@ -2913,8 +2913,8 @@ static void Svy_GetDataOfQstFromRow (struct Svy_Question *SvyQst,
    /***** Get the answer type (row[2]) *****/
    SvyQst->AnswerType = Svy_DB_ConvertFromStrAnsTypDBToAnsTyp (row[2]);
 
-   /***** Get the stem of the question from the database (row[2]) *****/
-   Str_Copy (Stem,row[2],Cns_MAX_BYTES_TEXT);
+   /***** Get the stem of the question from the database (row[3]) *****/
+   Str_Copy (Stem,row[3],Cns_MAX_BYTES_TEXT);
   }
 
 /*****************************************************************************/
diff --git a/swad_survey_database.c b/swad_survey_database.c
index 59783374..1514cf0a 100644
--- a/swad_survey_database.c
+++ b/swad_survey_database.c
@@ -929,9 +929,10 @@ unsigned Svy_DB_GetQstDataByCod (MYSQL_RES **mysql_res,long QstCod,long SvyCod)
   {
    return (unsigned)
    DB_QuerySELECT (mysql_res,"can not get a question",
-		   "SELECT QstInd,"	// row[0]
-			  "AnsType,"	// row[1]
-			  "Stem"	// row[2]
+		   "SELECT QstCod,"	// row[0]
+		          "QstInd,"	// row[1]
+		          "AnsType,"	// row[2]
+		          "Stem"	// row[3]
 		    " FROM svy_questions"
 		   " WHERE QstCod=%ld"
 		     " AND SvyCod=%ld",	// Extra check