Question: The central ring of the Hammerstein Ballroom holds several thousand people for events which can take place in a raised platform square with 4 parallel ropes attached with turnbuckle called what?
Sentence (from "Hammerstein Ballroom"): The Hammerstein Ballroom is a two-tiered, 12,000 sqft ballroom located within the Manhattan Center Studios at 311 West 34th Street in Manhattan in New York City.
Relevant evidence: No