Question: What gaming corporation based in Paradise, Nevada operates Harrah's Resort Southern California?
Context: Jack Entertainment LLC (stylized JACK Entertainment and formerly Rock Gaming LLC from 2009 to 2016) is a gaming, hospitality, and entertainment corporation based in Detroit, Michigan.  The company owns and operates casinos and hotels in Michigan and Ohio, and owns a stake of properties in Kentucky and Maryland.  Jack Entertainment operates as a subsidiary of Rock Ventures LLC. Caesars Entertainment Corporation, is an American gaming corporation based in Paradise, Nevada that owns and operates over 50 casinos and hotels, and seven golf courses under several brands.  It is the fourth-largest gaming company in the world, with annual revenues of $8.6 billion (2013).  Caesars is a public company, majority-owned by a group of private equity firms led by Apollo Global Management and TPG Capital. Boyd Gaming Corporation is an American gaming and hospitality company based in Paradise, Nevada.  The company continues to be run by founder Sam Boyd's family under the management of Sam's son, Bill Boyd (born 1931), who currently serves as the company's executive chairman after retiring as CEO in January 2008. Casinos Austria, formed in 1967 and based in Austria, is a gaming corporation that owns and operates casinos around the globe.  It is one of the largest casino operators in the world.  Casinos Austria together with its partners operate in about 40 land-based casinos in 16 countries, 8 shipboard casinos, 15 slot parlors, a range of lottery products in Argentina, and one online gambling platform.  Together the CAI (Casinos Austria International) Group’s gaming entertainment operations feature over 750 gaming tables and 7,600 gambling machines. Landry's, Inc., is an American, privately owned, multi-brand dining/hospitality/entertainment/gaming corporation.  Headquartered in Houston, Texas, Landry's, Inc. owns and operates more than 600 restaurant/hotel/casino/entertainment destinations in 37 states and the District of Columbia.  The company also owns and operates numerous international locations. Coast Casinos Inc. is a wholly owned subsidiary of Boyd Gaming Corporation based in Paradise, Nevada.  Coast Casinos is the number 2 locals casino brand in the Las Vegas market behind Station Casinos. Gamecaster Inc. is an American corporation based in San Diego, California.  Gamecaster is an innovator in video game technology.  The company's most notable achievement is its U.S. patented virtual camera control technology.  In layman's terms, Gamecaster is responsible for creating "the world’s first videogame camera".  This technology is responsible for allowing the marriage between video gaming and the broadcasting of sports events; thus introducing video gaming as a spectator sport.  This advancement in technology has the potential to revolutionize the gaming industry as well as birth a new era by popularizing electronic sports.  According to CBS news, "The ability to broadcast from within the game completely changes the way people view videogame competitions."  "If Gamecaster has its way, videogame competitions will become just as much a part of American television viewing as the SuperBowl (sic) or the World Series." Harrah's Resort Southern California (formerly Harrah's Rincon) is an Indian casino and hotel in Funner, California.  It is owned by the Rincon Band of Luiseño Indians and operated by Caesars Entertainment Corporation. The Orleans Arena is a 9,500-seat multi-purpose arena in Paradise, Nevada, in the Las Vegas Valley.  It is located at the Orleans Hotel and Casino and is operated by Coast Casinos, a subsidiary of Boyd Gaming Corporation. Atlantic Richfield Company (ARCO) is an American oil company with operations in the United States, Indonesia, the North Sea, and the South China Sea.  It has more than 1,300 gas stations in the western part of the United States.  ARCO was formed by the merger of East Coast–based Atlantic Refining and California-based Richfield Oil Corporation in 1966.  A merger in 1969 brought in Sinclair Oil Corporation.  It became a subsidiary of UK-based BP plc in 2000 through its BP West Coast Products LLC (BPWCP) affiliate.  On August 13, 2012, it was announced that Tesoro would purchase ARCO and its refinery for $2.5 billion.  However, the deal came under fire due to increasing fuel prices.  Many activists urged state and federal regulators to block the sale due to concerns that it would reduce competition and could lead to higher fuel prices at ARCO stations (ARCO stations make up more than half of all stations with the lowest fuel prices in California).  On June 3, 2013, BP sold ARCO and the Carson Refinery to Tesoro for $2.5 billion.  BP sold its Southern California terminals (Vinvale, Colton, San Diego, Hathaway, and Hynes) to Tesoro Logistics LP, including the Carson Storage Facility.  BP will continue to own the ampm brand and sell it to Tesoro for Southern California, Arizona, and Nevada.  BP exclusively licensed the ARCO rights from Tesoro for Northern California, Oregon, and Washington.
Answer: Caesars Entertainment Corporation