Question: Las Vegas Festival Grounds (formerly MGM Resorts Festival Grounds) is a 33 acre open-air venue located on the Las Vegas Strip, north of which MGM-owned hotel, a 123928 sqft casino, and RV park located on the Las Vegas Strip in Winchester, Nevada?
{'answer': 'Circus Circus Hotel and Casino', 'supporting_facts': [['Las Vegas Festival Grounds', 0], ['Circus Circus Las Vegas', 0]]}