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?
Sentence (from "Bally's Las Vegas"): About 75% of the rooms are in the Indigo Tower, and were renovated in 2004.
Relevant evidence: No