Context_1 : T-Mobile Arena is a multi-use indoor arena on the Las Vegas Strip in Paradise, Nevada. Opened on April 6, 2016, the arena is a joint venture between MGM Resorts International and the Anschutz Entertainment Group. Context_2 : MGM Growth Properties LLC is a real estate investment trust that invests in large-scale destination entertainment and leisure resorts. As of December 31, 2016, the company owned 11 properties operated by MGM Resorts International, comprising 27,233 hotel rooms. The company leases the properties to MGM Resorts International via NNN Leases for an annual payment of $745 million. Context_3 : The Marina District Development Company, LLC was a joint venture of Boyd Gaming Corporation and MGM Resorts International that was established to develop and operate the Borgata Hotel Casino and Spa in Atlantic City, New Jersey. Context_4 : Stephen Alan Wynn ("né" Weinberg; born January 27, 1942) is an American real estate businessman and art collector. He is known for his involvement in the American luxury casino and hotel industry. Early in his career he oversaw the construction and operation of several notable Las Vegas and Atlantic City hotels, including the Golden Nugget, the Golden Nugget Atlantic City, The Mirage, Treasure Island, the Bellagio, and Beau Rivage in Mississippi, and he played a pivotal role in the resurgence and expansion of the Las Vegas Strip in the 1990s. In 2000, Wynn sold his company Mirage Resorts to MGM Grand Inc., resulting in the formation of MGM Mirage (now MGM Resorts International). Wynn afterwards took his company Wynn Resorts public in an initial public offering, and he remains Wynn Resorts' CEO and Chairman of the Board. He is a member of the Republican Party. Wynn is the finance chair of the Republican National Committee (RNC) since 2017. Context_5 : Vdara Hotel & Spa is a 1600000 sqft condo-hotel and spa located within the CityCenter complex across from Aria Resort & Casino on the Las Vegas Strip. Vdara opened on December 1, 2009 as a joint venture between MGM Resorts International and Infinity World Development. Context_6 : Aria Resort and Casino is a luxury resort and casino, part of the CityCenter complex on the Las Vegas Strip in Paradise, Nevada. Aria consists of two curved glass and steel highrise towers adjoined at the center. It opened on December 16, 2009 as a joint venture between MGM Resorts International and Infinity World Development. At 4000000 sqft and 600 ft in height, it is the largest and tallest structure at CityCenter. Context_7 : MGM Macau (; formerly known as MGM Grand Macau) is a 35-story, 600-room casino resort in Sé, Macau. Under a sub concession approved by the Macau government, the project is owned and operated as a 50–50 joint venture between MGM Resorts International and Pansy Ho, daughter of Macau casino magnate Stanley Ho. The sub-concession is one of several examples of new casino construction following the end of the government-granted monopoly held for decades by Stanley Ho. Context_8 : Viacom 18 Media Pvt. Limited founded in November 2007 is a 50/50 joint venture operation in India between Viacom and the Network 18 Group based in Mumbai. Viacom 18 owns and operates various channels of the Viacom group for the Indian viewers, as well as manage various Viacom's consumer products in India. In July 2008, Colors was launched. In January 2010, Viacom 18 went international with the launch of Colors in the US. The channel is called "Aap ka Colors". In July 2010, it got into 50/50 distribution joint venture with Sun Network and Sun 18 was formed. Context_9 : MGM Resorts International is a global hospitality and entertainment company operating destination resorts in Las Vegas, Mississippi, New Jersey and Detroit, including Bellagio, MGM Grand, Mandalay Bay and The Mirage. The company recently opened MGM National Harbor in Maryland and is developing MGM Springfield in Massachusetts. It has a majority interest in MGM China Holdings Limited, which owns the MGM Macau resort and casino and is developing a gaming resort in Cotai. MGM Resorts owns 50 percent of CityCenter in Las Vegas, which features ARIA Resort & Casino. It has a majority controlling interest in MGM Growth Properties, a real estate investment trust. Context_10 : Pansy Catalina Ho Chiu-king ONM (, born on 26 August 1962) is a businesswoman and billionaire from Macau. fact_1 :  Under a sub concession approved by the Macau government, the project is owned and operated as a 50–50 joint venture between MGM Resorts International and Pansy Ho, daughter of Macau casino magnate Stanley Ho. fact_2 : Pansy Catalina Ho Chiu-king ONM (, born on 26 August 1962) is a businesswoman and billionaire from Macau. Answer: 1962
Output: In what year was the billionaire businesswoman who owns and operates MGM Macau as a 5050 joint venture with MGM Resorts International born?