Question: The Vegas Golden Knights play their home games at an arena that was a joint venture between MGM Resorts International and what company?
Context: 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. The Vegas Golden Knights are a professional ice hockey team based in the Las Vegas metropolitan area.  The team began play in the 2017–18 NHL season, and is a member of the Pacific Division of the Western Conference of the National Hockey League (NHL).  The team is owned by Black Knight Sports & Entertainment, a consortium led by Bill Foley, and plays its home games at T-Mobile Arena on the Las Vegas Strip in Paradise, Nevada. The Vegas Golden Knights are an American professional ice hockey team based in the Las Vegas metropolitan area.  They play in the Pacific Division of the Western Conference in the National Hockey League (NHL).  They have played at T-Mobile Arena since their inaugural season in 2017–18.  The Golden Knights joined the NHL as an expansion team in 2017.  The team's first head coach, Gerard Gallant was hired on April 13, 2017. 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. 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. 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. The 2017–18 Vegas Golden Knights season will be the inaugural season for the Vegas Golden Knights.  They will play their home games at T-Mobile Arena. 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. 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. 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.
Answer: Anschutz Entertainment Group