message: fix(Query): ASK query JSON result bug fix
diff: @@ -2399,10 +2399,10 @@ void GeneralEvaluation::getFinalResult(ResultSet &ret_result)
  ret_result.answer = new string*[ret_result.ansNum];
  ret_result.answer[0] = new string[ret_result.select_var_num];
  - ret_result.answer[0][0] = "false";
  + ret_result.answer[0][0] = "\"false\"^^<http://www.w3.org/2001/XMLSchema#boolean>";
  for (int i = 0; i < (int)this->temp_result->results.size(); i++)
  if (!this->temp_result->results[i].result.empty())
  - ret_result.answer[0][0] = "true";
  + ret_result.answer[0][0] = "\"true\"^^<http://www.w3.org/2001/XMLSchema#boolean>";
  }
  }
  