Question: In which county is this former estate of the heir to a U.S. Steel fortune located where George A. Crawley constructed a house?
Sentence (from "George A. Crawley"): He is best known for the design of John Shaffer Phipps' (the heir to a U.S. Steel Magnate fortune) home, Westbury House (built 1904–10; additions constructed in 1915–16), at Old Westbury Gardens, in Long Island, New York.
Relevant evidence: Yes