by=['destination_workload', 'destination_workload_namespace', 'destination_service']
          ))
        ) + q.withFormat('table') + q.withRefId('requests') + q.withInstant(),
        // P50
        self.query(
          '{{ destination_workload}}.{{ destination_workload_namespace }}',
          tableLabelJoin(
            quantile(
              '0.5',