public function data_for_question_response_table($partid, $modelresponse) {
        $rowdata = new \stdClass();
        $rowdata->part = $partid;
        $rowdata->responseclass = $modelresponse;
        $rowdata->response = $this->response;
        $rowdata->fraction = $this->fraction;
        $rowdata->totalcount = $this->totalcount;
        $rowdata->trycount = $this->trycount;
        return $rowdata;
    }