code: def delete(self, measurementId):
          
          message, count, deleted = self._measurementController.delete(measurementId)
          if count == 0:
              return message, 404
          elif deleted is None:
              return message, 500
          else:
              return deleted, 200
docs: Deletes the named measurement.
          :return: 200 if something was deleted, 404 if the measurement doesn't exist, 500 in any other case.