Question: which  American petroleum corporation, was owned by  Robert Earl Holding 

full_context: Document 1: Shaanxi Yanchang Petroleum: Shaanxi Yanchang Petroleum Group is a Chinese conglomerate mainly engaged in the exploration, production, transportation, and sale of petroleum and natural gas, and in addition the production and sales of petrochemical products. Founded in 1905, it is the fourth largest oil producer in the country. Almost all its reserves and refineries are located in Shaanxi.
Document 2: Chevron Corporation: Chevron Corporation () is an American multinational energy corporation. One of the successor companies of Standard Oil, it is headquartered in San Ramon, California, and active in more than 180 countries. Chevron is engaged in every aspect of the oil, natural gas, and geothermal energy industries, including hydrocarbon exploration and production; refining, marketing and transport; chemicals manufacturing and sales; and power generation. Chevron is one of the world's largest oil companies; as of 2014 , it ranked third in the Fortune 500 list of the top US closely held and public corporations and sixteenth on the Fortune Global 500 list of the top 500 corporations worldwide. It was also one of the Seven Sisters that dominated the global petroleum industry from the mid-1940s to the 1970s.
Document 3: Sinclair Oil Corporation: Sinclair Oil Corporation is an American petroleum corporation, founded by Harry F. Sinclair on May 1, 1916, as the Sinclair Oil and Refining Corporation by combining the assets of 11 small petroleum companies. Originally a New York corporation, Sinclair Oil reincorporated in Wyoming in 1976. The corporation's logo features the silhouette of a large green dinosaur.
Document 4: Signa Holding: Signa Holding GmbH (officially written as SIGNA) is Austria’s largest privately owned real estate company. Signa was founded in 1999 by the Tyrolean entrepreneur René Benko. Over the years, the two-man company with an initial focus on classic real estate development has become a pan-European real estate group with more than 150 employees and offices in Vienna, Innsbruck, Munich, Düsseldorf, Zurich and Luxembourg. The principal focus of the Signa Group of Companies is the long-term investment in real estate in prime city centre locations.
Document 5: Robert Holding: Robert Earl Holding (November 29, 1926 – April 19, 2013) was an American businessman who owned Sinclair Oil Corporation, the Little America Hotels, the Grand America Hotel, the Westgate Hotel in San Diego, California (directed by Georg Hochfilzer), and two ski resorts, Sun Valley in central Idaho since 1977, and Snowbasin near Ogden, Utah, since 1984.
Document 6: Allard Roen: Allard Roen (May 8, 1921–August 28, 2008) was an American businessman in the hospitality industry. He was the Managing Director of the Desert Inn and the Stardust Resort and Casino in Paradise, Nevada. He was a co-founder of the Sunrise Hospital, The Boulevard Mall and the Las Vegas Country Club. Later, he was a co-founder and the on-site Manager of the La Costa Resort and Spa in Carlsbad, California.
Document 7: ExxonMobil: Exxon Mobil Corporation is an American multinational oil and gas corporation headquartered in Irving, Texas. It is the largest direct descendant of John D. Rockefeller's Standard Oil Company, and was formed on November 30, 1999 by the merger of Exxon (formerly Standard Oil Company of New Jersey) and Mobil (formerly the Standard Oil Company of New York).
Document 8: Hess Oil and Chemical: Hess Oil and Chemical Corporation was a company begun in the 1930s by Leon Hess of New Jersey to distribute heating oil. It expanded over the years to include refining and marketing of heating oil and other petroleum products through terminals and gasoline stations. In 1968, Hess Oil and Chemical Corporation merged with Amerada Petroleum Corporation into Amerada Hess Corporation (NYSE: HES). Since 2006, the merged company has been called Hess Corporation. Before the merger, Hess Oil and Chemical developed the Hess Oil Virgin Islands Corporation (HOVIC) Refinery on St. Croix, United States Virgin Islands, at the time the largest oil refinery in the world. After 1998 the refinery built by HOVIC operated under the name HOVENSA. It is a joint venture with PDVSA and is 50% owned by Hess Corporation. HOVENSA announced plans to close later on in the year on January 18, 2012.
Document 9: Robert L. Brock: Robert L. Brock (c. 1924 – June 7, 1998) was an American businessman. He was born in Pawnee Rock, Kansas and graduated from Sterling High School and Kansas University. he started "Inn Operations" with a friend and sold it to Holiday Inns, Inc to manage "Topeka Inn Management". As chairman of TIM (later renamed Brock Hotel Corporation), the first and at the time largest franchisee of Holiday Inns, he founded ShowBiz Pizza Place in 1980 in Topeka, Kansas after becoming a Pizza Time Theatre franchisee. He also started The Residence line of hotels with Jack DeBoer. Marriott later bought the brand and renamed all locations "Residence Inn by Marriott".
Document 10: Little America, Wyoming: Little America is a census-designated place (CDP) in Sweetwater County, Wyoming, United States. The population was 68 at the 2010 census. The community got its name from the Little America motel, which was purposefully located in a remote location as a haven, not unlike the base camp the polar explorer Richard E. Byrd set up in the Antarctic in 1928. However, being situated on a coast-to-coast highway and offering travel services, it thrived, launching a chain of travel facilities by the same name. Its developer, Robert Earl Holding, died on April 19, 2013, with a personal net worth of over $3 billion.
Document 11: Hunt Petroleum: Hunt Petroleum Corporation was an oil and gas exploration and production company formed in 1950. The company was originally called Petrol Production Co. and was later renamed Hunt Petroleum Corporation. The company was a Delaware corporation owned 52.84% by the Margaret Hunt Trust Estate and 47.16% by the Haroldson L. Hunt, Jr. Trust Estate. The primary beneficiaries of these two trusts are the two eldest children of the late H. L. Hunt and Lyda Bunker Hunt. Hunt Petroleum Corporation had no common ownership and was not affiliated with any of the following entities: Hunt Oil Company; Petro-Hunt, LLC; Hunt Exploration; Unity Hunt; Hunt Properties; or Rosewood Resources.
Document 12: Magnolia Petroleum Company: The Magnolia Petroleum Company was an early twentieth century petroleum company in Texas founded on April 24, 1911 by the Sealy family of Galveston, as a consolidation of several earlier companies. Standard Oil of New York (Socony) exchanged its stock for all of the Magnolia stock (except seven shares for the Directors) in December 1925 though it continued to operate as an affiliate of Socony. Socony merged with Vacuum Oil Company in 1931, becoming Socony-Vacuum Oil Company. Magnolia Petroleum continued to operate as a subsidiary of Socony-Vacuum. In 1959, Magnolia was fully incorporated into the Mobil division of Socony-Vacuum, which later changed its name to Socony Mobil and, ultimately to Mobil Mobil Oil Corporation.
Document 13: Kirk Kerkorian: Kerkor "Kirk" Kerkorian (June 6, 1917 – June 15, 2015) was an Armenian-American businessman, investor, and philanthropist. He was the president and CEO of Tracinda Corporation, his private holding company based in Beverly Hills, California. Kerkorian is known for having been one of the important figures in the shaping of Las Vegas and, with architect Martin Stern, Jr. described as the "father of the mega-resort". He built the world's largest hotel in Las Vegas three times: the International Hotel (opened in 1969), the MGM Grand Hotel (1973) and the MGM Grand (1993). He purchased the Metro-Goldwyn-Mayer movie studio in 1969.
Document 14: Robert Earl: Robert Earl (born May 29, 1951) is the founder and CEO of Planet Hollywood, Chairman of the Planet Hollywood Resort & Casino in Las Vegas, and host of "Robert Earl's Be My Guest" television program which airs weekly on the Cooking Channel.
Document 15: Standard Oil of Iowa: Standard Oil Company of Iowa was created in 1885 as a subsidiary of the Standard Oil Trust to handle marketing along the Pacific Coast states of Idaho, Oregon, Washington, California, and Arizona. Though named for the midwestern state, it never included Iowa as one of its primary marketing areas. A prior company named Standard Oil of California had been formed in 1877, and was not associated with the Standard Oil Trust. In 1906, Standard Oil of Iowa was dissolved and its assets handed over to a new Standard Oil of California, later Chevron Oil Company, and now the Chevron Corporation. Standard Oil Company of Iowa is thus the original company that is now Chevron.
ground_truth: Sinclair Oil Corporation