def execute(self):
        self._iter = None
        self.start_iteration()
        while self.continue_iteration():
            self.pre_iteration()
            self.run_iteration()
            self.post_iteration()
        self.end_iteration()
For hte given room, get the minimum depth we have seen for it.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/driver.py/Driver.execute--crossover with--dataset/ETHPy150Open matrix-org/synapse/synapse/storage/event_federation.py/EventFederationStore.get_min_depth