Question: Which hotel and casino on Las Vegas Strip owned by MGM Resorts International debuted The WCW Nitro Grill from May 1999 to September 2000?
{'answer': 'Excalibur Hotel and Casino', 'supporting_facts': [['WCW Nitro Grill', 0], ['WCW Nitro Grill', 2], ['Excalibur Hotel and Casino', 0], ['Excalibur Hotel and Casino', 1]]}