def METHOD_NAME(
    self, step_graph: StepGraph, *step_names: str, run_name: Optional[str] = None
) -> ExecutorOutput:
    """
    Execute the sub-graph associated with a particular step in a
    :class:`~tango.step_graph.StepGraph`.
    """
    sub_graph = step_graph.sub_graph(*step_names)
    return self.execute_step_graph(sub_graph, run_name=run_name)