Question: The Cataracs was an American hip hop record production project and duo formed in Berkeley, a city on the east shore of San Francisco Bay in northern Alameda County, California, in which country?
Context: Hayward ( ; formerly, Haywards, Haywards Station, and Haywood) is a city located in Alameda County, California in the East Bay subregion of the San Francisco Bay Area.  With a 2014 population of 149,392, Hayward is the sixth largest city in the Bay Area and the third largest in Alameda County.  Hayward was ranked as the 37th most populous municipality in California.  It is included in the San Francisco-Oakland-Fremont Metropolitan Statistical Area by the US Census.  It is located primarily between Castro Valley and Union City, and lies at the eastern terminus of the San Mateo-Hayward Bridge.  The city was devastated early in its history by the 1868 Hayward earthquake.  From the early 20th century until the beginning of the 1980s, Hayward's economy was dominated by its now defunct food canning and salt production industries. Berkeley ( ) is a city on the east shore of San Francisco Bay in northern Alameda County, California.  It is named after the 18th-century Anglo-Irish bishop and philosopher George Berkeley.  It borders the cities of Oakland and Emeryville to the south and the city of Albany and the unincorporated community of Kensington to the north.  Its eastern border with Contra Costa County generally follows the ridge of the Berkeley Hills.  The 2010 census recorded a population of 112,580. Alameda ( ; Spanish: ] ) is a city in Alameda County, California, United States.  It is located on Alameda Island and Bay Farm Island, and is adjacent to and south of Oakland and east of San Francisco across the San Francisco Bay.  Bay Farm Island, a portion of which is also known as "Harbor Bay Isle", is not actually an island, and is part of the mainland adjacent to the Oakland International Airport.  The city's estimated 2017 population was 79,928.  Alameda is a charter city, rather than a general law city, allowing the city to provide for any form of government.  Alameda became a charter city and adopted a council–manager government in 1916, which it retains to the present. "Top of the World" is a song recorded by American hip hop record production project and duo The Cataracs.  It was released as a single on March 22, 2011 as a digital download in the United States and Canada and serves as the first single released from the duo's upcoming fifth studio album.  The song features guest contributions from American singer Dev.  An alternative, shorter version of the song was featured on Dev's 2011 mixtape, "Is Hot: The Mixtape". The Cataracs was an American hip hop record production project and duo formed in Berkeley, California, United States, consisting of songwriter, vocalist, and producer Niles "Cyranizzy" Hollowell-Dhar (born 6 October 1988) and formerly songwriter and vocalist David "Campa" Benjamin Singer-Vine (born 9 March 1988). The Niles Cone is a groundwater basin in Alameda County, California, United States which is the source of drinking water for a sizeable human urban population in the East Bay.  The land area corresponding to this groundwater basin is approximately 103 square miles; (California, 1998) the Niles Cone Basin is bounded on the east by the Diablo Range and on the west by San Francisco Bay.  Surface runoff in the Alameda Creek catchment basin accounts for much of the recharge of the Niles Cone.  (Niles Cone, 2007) The Alameda County Water District is responsible for management of the Niles Cone aquifer and has developed water treatment plants and pipelines for the conveyance of its waters to urban users.  (Earth Metrics, 1990) The Alameda County Water District also performs water quality monitoring of the Niles Cone Basin for total dissolved solids and other parameters.  (California, 2001) Santa Rita Jail is a county jail located in Dublin, Alameda County, California adjacent to the Camp Parks Reserve Forces Training Area, and operated by the Alameda County Sheriff's Office.  Santa Rita houses the majority of persons arrested in Alameda County, which occupies most of the East San Francisco Bay Area and includes the cities of Oakland, Berkeley, San Leandro and Alameda.  Santa Rita is not the only prison facility in the vicinity as the Federal Correctional Institution, Dublin is located on the premises of Camp Parks. The Cataracs were an American hip hop record production project and duo formed in Berkeley, California, United States, consisting of David Benjamin Singer-Vine (born 9 March 1988) and Niles Hollowell-Dhar (born 6 October 1988).  The duo started out as an independent group, during their years at Berkeley High School.  The two were first signed to the label Indie-Pop.  Singer-Vine left the group in August 2012 with Hollowell-Dhar continuing on with the name The Cataracs despite David's departure.  Hollowell-Dhar also released materials starting 2014, under the name of KSHMR. Alameda Island is an island in the San Francisco Bay in California.  It is south and west of, and adjacent to Oakland, and across the bay eastward from San Francisco.  Located on the island is most of the city of Alameda, a city in Alameda County.  Also located on the island is the Naval Air Station Alameda, a defunct naval air station, as well as a small uninhabited part of San Francisco.  The island was originally a peninsula and a part of Oakland, and is now separated from the mainland by the Oakland Estuary.  The island is connected to the mainland by four bridges: the Park Street Bridge, Fruitvale Bridge, High Street Bridge, and Bay Farm Island Bridge.  The Posey and Webster Street tubes also connect Oakland to Alameda Island. Oakland is the largest city and the county seat of Alameda County, California, United States.  A major West Coast port city, Oakland is the largest city in the East Bay region of the San Francisco Bay Area, the third largest city overall in the San Francisco Bay Area, the eighth largest city in California, and the 45th largest city in the United States, with a population of 419,267 as of 2015 .  It serves as a trade center for the San Francisco Bay Area; its Port of Oakland is the busiest port in the San Francisco Bay, the entirety of Northern California, and the fifth busiest in the United States of America.  The city was incorporated in 1852.
Answer: United States