Question: Archibald Gracie was a Scottish-born shipping magnate and early American businessman and merchant in New York City and Virginia whose spacious home, which is the official residence of the Mayor of the City of New York, the location's called?
{'answer': 'Archibald Gracie Mansion', 'supporting_facts': [['Archibald Gracie', 0], ['Gracie Mansion', 0]]}