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 ?
Sentence (from "Gigafactory 2"): The Tesla Gigafactory 2 is a photovoltaic (PV) cell factory, leased by Tesla subsidiary SolarCity in Buffalo, New York.
Relevant evidence: Yes