code: public List<Double> listAnswers(QueryField queryField) {
      List<QueryQuestionNumericAnswer> listByQueryField = listByQueryField(queryField);
      List<Double> results = new ArrayList<>();
      
      for (QueryQuestionNumericAnswer answer : listByQueryField) {
        results.add(answer.getData());
      }
      
      return results;
    }
docs: TOOD: This is not a DAO method