How many rooms does the Rockefeller house that is above the town of Pocantico Hills have?
Union Church of Pocantico Hills:  The church was built by John D. Rockefeller, Jr. in 1921, as part of his plans to develop the town of Pocantico Hills, which was below his estate Kykuit. Kykuit: Kykuit ( ), known also as the John D. Rockefeller Estate, is a 40-room National Trust house in Westchester County, New York, built by order of oil tycoon, capitalist and Rockefeller family patriarch John D. Rockefeller.
40-room