Question: How much was the asking price of a private mansion located at 521 Round Hill Road in Greenwich, sold to a businesswoman known for her flamboyant personality and had a reputation for tyrannical behavior that earned her the sobriquet Queen of Mean?
Sentence (from "Leona Helmsley"): She was promoted by the Beber Silverstein Group and its co-founder Joyce Beber persuaded Helmsley to replace that title with Queen of the Palace Hotel instead.
Relevant evidence: No