function restore($old_question_id, $new_question_id, $info, $restore)
 {
     //We have to modify info structure before the parent class can restore from it.
     wrsqz_restore_1('shortanswer', 'wshanprom', $old_question_id, $new_question_id, $info, $restore);
     if (parent::restore($old_question_id, $new_question_id, $info, $restore) !== false) {
         return wrsqz_restore('shortanswer', 'wshanprom', $old_question_id, $new_question_id, $info, $restore);
     }
     return false;
 }