Question: What subsidiary of an American automaker, energy storage company, and solar panel manufacturer based in Palo Alto, California, leased  a photovoltaic  cell factory that owned by the state of New York, was built on a remediated brownfield site from a former steel mill ?
{'answer': 'SolarCity', 'supporting_facts': [['Gigafactory 2', 0], ['Tesla, Inc.', 0]]}