diff --git a/lib/accesslib.php b/lib/accesslib.php
index f340b1f8641..ff6b39ee747 100644
--- a/lib/accesslib.php
+++ b/lib/accesslib.php
@@ -6211,13 +6211,14 @@ class context_helper extends context {
     }
 
     /**
-     * Preloads context information from db record and strips the cached info.
+     * Preloads context cache with information from db record and strips the cached info.
      *
      * The db request has to contain all columns from context_helper::get_preload_record_columns().
      *
      * @static
      * @param stdClass $rec
-     * @return void (modifies $rec)
+     * @return void This is intentional. See MDL-37115. You will need to get the context
+     *      in the normal way, but it is now cached, so that will be fast.
      */
      public static function preload_from_record(stdClass $rec) {
          context::preload_from_record($rec);
diff --git a/question/bank/statistics/classes/helper.php b/question/bank/statistics/classes/helper.php
index 7b5e62cdf41..e694a484e15 100644
--- a/question/bank/statistics/classes/helper.php
+++ b/question/bank/statistics/classes/helper.php
@@ -51,11 +51,14 @@ class helper {
         [$questionidcondition, $params] = $DB->get_in_or_equal($questionids);
         // The MIN(qu.id) is just to ensure that the rows have a unique key.
         $places = $DB->get_records_sql("
-                SELECT MIN(qu.id) AS somethingunique, qu.component, qu.contextid
+                SELECT MIN(qu.id) AS somethingunique, qu.component, qu.contextid, " .
+                       \context_helper::get_preload_record_columns_sql('ctx') . "
                   FROM {question_usages} qu
-                  JOIN {question_attempts} qatt ON qatt.questionusageid = qu.id
-                 WHERE qatt.questionid $questionidcondition
-              GROUP BY qu.component, qu.contextid
+                  JOIN {question_attempts} qa ON qa.questionusageid = qu.id
+                  JOIN {context} ctx ON ctx.id = qu.contextid
+                 WHERE qa.questionid $questionidcondition
+              GROUP BY qu.component, qu.contextid, " .
+                       implode(', ', array_keys(\context_helper::get_preload_record_columns('ctx'))) . "
               ORDER BY qu.contextid ASC
                 ", $params);
 
@@ -63,6 +66,7 @@ class helper {
         $places = array_values($places);
         foreach ($places as $place) {
             unset($place->somethingunique);
+            \context_helper::preload_from_record($place);
         }
 
         return $places;