code: def delete_question(self, publisher_name, extension_name, question_id):
          
          route_values = {}
          if publisher_name is not None:
              route_values['publisherName'] = self._serialize.url('publisher_name', publisher_name, 'str')
          if extension_name is not None:
              route_values['extensionName'] = self._serialize.url('extension_name', extension_name, 'str')
          if question_id is not None:
              route_values['questionId'] = self._serialize.url('question_id', question_id, 'long')
          self._send(http_method='DELETE',
                     location_id='6d1d9741-eca8-4701-a3a5-235afc82dfa4',
                     version='5.0-preview.1',
                     route_values=route_values)
docs: DeleteQuestion.
          [Preview API] Deletes an existing question and all its associated responses for an extension. (soft delete)
          :param str publisher_name: Name of the publisher who published the extension.
          :param str extension_name: Name of the extension.
          :param long question_id: Identifier of the question to be deleted for the extension.