public function listByQueryAction($query, $max = 30, $whereFields = array('headline', 'body'))
    {
        $questions = $this->getQuestionRepository()->retrieveByQuery($query, $max, $whereFields);

        return $this->render(
            'GenjFaqBundle:Question:list_by_query.html.twig',
            array(
                'questions' => $questions,
                'max'       => $max
            )
        );
    }