Question: WCW Nitro Grill was an American professional wrestling themed steak house that opened in May 1999 at the Excalibur Hotel and Casino, a hotel and casino located on the Las Vegas Strip in Paradise, Nevada, It is owned and operated by which organization?
{'answer': 'MGM Resorts International', 'supporting_facts': [['WCW Nitro Grill', 0], ['Excalibur Hotel and Casino', 1]]}