Question: Who now owns the resort that reflects Mandalay Resort Group's former name?

full_context: Document 1: Westgate Las Vegas Resort &amp; Casino: The Westgate Las Vegas Resort & Casino is a hotel and casino in Winchester, Nevada. It is owned by Westgate Resorts and operated by Navegante Group. It has 2,956 hotel rooms including 305 suites. It opened in 1969 as the International Hotel, and was known for many years as the Las Vegas Hilton, then briefly as the LVH – Las Vegas Hotel and Casino. It was renamed the Westgate Las Vegas on July 1, 2014.
Document 2: Bally's Las Vegas: Bally's Las Vegas (formerly MGM Grand Hotel and Casino) is a hotel and casino on the Las Vegas Strip in Paradise, Nevada. It is owned and operated by Caesars Entertainment Corporation. The hotel features 2,814 extra-sized guestrooms that are 450 sqft or larger and over 175000 sqft of banquet and meeting space. The casino occupies 66187 sqft . About 75% of the rooms are in the Indigo Tower, and were renovated in 2004. The remaining rooms are located in the Jubilee Tower, constructed in 1981.
Document 3: William Pennington (businessman): William Norman Pennington (March 24, 1923 – May 15, 2011) was an American casino industry executive. A pioneer in Nevada’s casino industry, he played a major role in establishing the Circus Circus company, including Excalibur Hotel Casino, Luxor and Mandalay Bay. He owned several properties in Las Vegas, Reno, Hawaii and elsewhere. For many years he was listed on the Forbes 400.
Document 4: New York-New York Hotel and Casino: New York-New York Hotel & Casino is a hotel and casino located on the Las Vegas Strip at 3790 Las Vegas Boulevard South, in Paradise, Nevada. It is owned and operated by MGM Resorts International.
Document 5: MGM Grand Las Vegas: The MGM Grand Las Vegas (formerly Marina and MGM-Marina) is a hotel and casino located on the Las Vegas Strip in Paradise, Nevada. The MGM Grand is the largest single hotel in the United States with 5,124 rooms. It is also the third-largest hotel complex in the world by number of rooms and second-largest hotel resort complex in the United States behind the combined The Venetian and The Palazzo. When it opened in 1993, the MGM Grand was the largest hotel complex in the world.
Document 6: Corey I. Sanders: Corey Sanders has served as Chief Operating Officer of MGM Resorts International since June 2010. He oversees operations at the Company’s wholly owned properties, which in Nevada include Bellagio (resort), MGM Grand Las Vegas, Mandalay Bay, The Mirage, New York-New York Hotel and Casino, Monte Carlo Resort and Casino, Luxor Las Vegas, Excalibur Hotel and Casino, Circus Circus Las Vegas, Circus Circus Reno, Gold Strike Jean and Railroad Pass Casino. He also oversees Beau Rivage (Mississippi) in Biloxi and Gold Strike Tunica, both in Mississippi, as well as MGM Grand Detroit.
Document 7: Las Vegas Festival Grounds: Las Vegas Festival Grounds (formerly MGM Resorts Festival Grounds) is a 33 acre open-air venue located on the Las Vegas Strip, north of the MGM-owned Circus Circus Hotel and Casino in Winchester, Nevada.
Document 8: Adventuredome: Adventuredome (formerly Grand Slam Canyon) is a 5 acre indoor amusement park located at Circus Circus in Las Vegas, Nevada, on the Las Vegas Strip. The park is connected to the hotel inside a large glass dome, and currently offers 25 rides and attractions including the Canyon Blaster roller coaster, rock climbing wall, 18-hole miniature golf course, an video game arcade, clown shows, Xtreme Zone, Pikes Pass, Virtual Reality Zone, Midway Games, and carnival-type games. Because the park is enclosed, it is not affected by cold, rainy, or windy weather, unlike most theme parks, and is open year-round. Every October since 2003, the Adventuredome is changed to Fright Dome as a Halloween-themed theme park.
Document 9: Excalibur Hotel and Casino: Excalibur Hotel and Casino is a hotel and casino located on the Las Vegas Strip in Paradise, Nevada, in the United States. It is owned and operated by MGM Resorts International.
Document 10: Caesars Entertainment Corporation: 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.
Document 11: MGM Resorts International: 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.
Document 12: Monte Carlo Resort and Casino: The Monte Carlo Resort and Casino is a megaresort hotel and casino on the Las Vegas Strip in Paradise, Nevada, United States. The hotel, with a height of 360 ft , has 32 floors, featuring a 102000 sqft casino floor with 1,400 slot machines, 60 table games, and 15 poker tables. It is owned and operated by MGM Resorts International. The hotel offers 2,992 guest rooms, including 259 luxury suites. It is being converted from late 2016 to 2018 into the Park MGM, with the upper floors converted into a boutique hotel, NoMad Las Vegas.
Document 13: Circus Circus Las Vegas: Circus Circus Las Vegas is a hotel, 123928 sqft casino, and RV park located on the Las Vegas Strip in Winchester, Nevada. It is owned and operated by MGM Resorts International. Circus Circus features circus acts and carnival type games daily on the Midway.
Document 14: Mandalay Resort Group: Mandalay Resort Group (formerly Circus Circus Enterprises) was a hotel-casino operator based in Paradise, Nevada. Its major properties included Mandalay Bay, Luxor, Excalibur and Circus Circus, as well as half of the Monte Carlo. In terms of market capitalization, it was one of the largest casino operators in the world. Its stock traded on the New York Stock Exchange with the ticker symbol "CIR" and "MBG".
Document 15: Mandalay Bay: Mandalay Bay is a 43-story luxury resort and casino on the Las Vegas Strip in Paradise, Nevada. It is owned and operated by MGM Resorts International. One of the property's towers operates as the Delano; the Four Seasons Hotel is independently operated within the Mandalay Bay tower, occupying 5 floors (35–39).
ground_truth: MGM Resorts International