Question: Buffalo Billion is a New York state government project led by Governor Andrew Cuomo, that features a project in the program, a $750 million solar panel factory, headquartered where?

full_context: Document 1: Buffalo Billion: Buffalo Billion is a New York state government project led by Governor Andrew Cuomo that aims to invest $1 billion in the Buffalo, New York area economy. The project uses a combination of state grants and tax breaks to spur economic development. Governor Cuomo first announced the program in his 2012 "State of the State" address. The program is modeled on a similar program implemented in the Albany, New York area. A key project in the program is a $750 million SolarCity solar panel factory.
Document 2: Mobilitec: Mobilitec, Inc. is a private software company headquartered in San Mateo, California. The company was acquired by Alcatel Lucent in 2006.
Document 3: SolarCity: SolarCity Corporation is a subsidiary of Tesla, Inc. that specializes in solar energy services and is headquartered in San Mateo, California.
Document 4: Albany Convention Center: The Albany Convention Center (ACC) is a proposed convention center to be located in downtown Albany, New York. The complex was initially proposed by Albany Mayor Gerald Jennings in 1994, though no real action was taken until 2002; the project has been controversial from the beginning. In 2004 the Albany Convention Center Authority (ACCA) was established by the New York Legislature to develop plans for the site. Supported by Governor George Pataki, the project was awarded a $75 million grant in 2005. Initial cost estimates for the project started at around $150 million, but these soon rose to almost $400 million before dropping again to $220 million after turning hotel and parking garage development over to private firms. The finished complex is expected to have around 300000 sqft of convention space.
Document 5: Mosaic Inc.: Mosaic is a solar fin-tech company based in Oakland, California. Founded in 2010, Mosaic created their initial business model using crowdfunding principals to offer loans for commercial solar development projects. For that reason, GigaOM referred to the company as "the Kickstarter for Solar". After shifting their model in 2014, Mosaic Inc. is now focused on financing residential solar projects by leveraging third party capital partners. Through this model, the company aims to democratize the social and environmental benefits of clean energy. Mosaic is a certified benefit corporation.
Document 6: SolarWorld: SolarWorld is a German company dedicated to the manufacture and marketing photovoltaic products worldwide by integrating all components of the solar value chain, from feedstock (polysilicon) to module production, from trade with solar panels to the promotion and construction of turn-key solar power systems. The group controls the development of solar power technologies at all levels in-house.
Document 7: Sierra Nevada Corporation: Sierra Nevada Corporation (SNC) is an American privately held electronic systems provider and systems integrator specializing in microsatellites, telemedicine, and commercial orbital transportation services. Sierra Nevada Corporation operates under the leadership of Chief Executive Officer, Fatih Ozmen and President, Eren Ozmen. The company contracts with the United States Armed Forces, NASA and private spaceflight companies. It is headquartered in Sparks, Nevada.
Document 8: Empire State Plaza: The Governor Nelson A. Rockefeller Empire State Plaza (known commonly as the Empire State Plaza, and less formally as the South Mall) is a complex of several state government buildings in downtown Albany, New York.
Document 9: Richard Kauffman: Richard L. Kauffman (born February 10, 1955) is the first New York State "energy czar," officially referred to as the "Chairman of Energy and Finance for New York" in the administration of New York Governor Andrew Cuomo. In this role, Kauffman is New York State's most senior energy official, responsible for all aspects of energy policy and agency operation, and leads the state's "Reforming the Energy Vision" initiative.
Document 10: New York's Reforming the Energy Vision: New York’s Reforming the Energy Vision (REV) is an initiative to reform energy networks initiated by Andrew Cuomo in 2014.Hurricane Sandy exposed New York’s infrastructure vulnerabilities. In response, Governor Andrew Cuomo directed his staff to develop a strategy for New York’s utilities that would modernize the current energy infrastructure and increase its resilience to severe weather and environmental events.
Document 11: San Mateo, California: San Mateo ( ; Spanish for "Saint Matthew") is a city in San Mateo County, California, located in the high-tech enclave of Silicon Valley in the San Francisco Bay Area. With a population of 97,207 as of the 2010 census, it is one of the larger suburbs on the San Francisco Peninsula, located between Burlingame to the north, Foster City and San Francisco Bay to the east, Belmont to the south, and Highlands-Baywood Park and Hillsborough to the west. The 2015 population was estimated to be 103,536. San Mateo was incorporated in 1894.
Document 12: Excelsior Scholarship: New York State's Excelsior Scholarship program provides residents with free tuition for full-time study at its state universities: State University of New York (SUNY) and City University of New York (CUNY). On April 11, 2017, New York became the first American state to make four-year public colleges tuition-free for those under an earnings threshold.
Document 13: Sharp Solar: Sharp Solar, a subsidiary of Sharp Electronics, is a solar energy products company owned by Sharp Corporation and based in Osaka, Japan.
Document 14: 421-a tax abatement: 421-a tax abatement is a property tax abatement in the state of New York that is given to real estate developers for building new multi-family residential housing buildings. The program gets its name from being from section 421-a in the New York Real Property Tax Law. The 421-a program began in 1971, and has since included provisions in it to mandate the creation of affordable housing units in order to qualify for the program. Under the original program, areas in which developers qualified for the tax break included all of Manhattan and portions of the rest of New York City. The original program lapsed in January 2016 after disagreements between the state government and the New York City government, but a deal was made in November 2016 between unions, developers, and Governor Andrew Cuomo to bring it back, pending the approval of the New York State Legislature. In the April 2017 budget negotiations, the program was officially renewed, with the official new program name being "Affordable New York". The program is administered by the New York City Department of Housing Preservation and Development (HPD). Under the program, the city government stands to lose billions of dollars in foregone property tax revenue, making this program controversial.
Document 15: Andrew Cuomo: Andrew Mark Cuomo ( ; born December 6, 1957) is an American politician, author, and attorney who has been the 56th Governor of New York since January 1, 2011. A member of the Democratic Party, he was elected in 2010, holding the same position his father, Mario Cuomo, held for three terms from 1983 to 1995.
ground_truth: San Mateo, California