Passage: 32 Old Slip, also known as One Financial Square, is a skyscraper in the Financial District of New York City. Completed in 1987, the building has 36 floors and stands at 575 ft 0 in (175.26 m). It is home to Daiwa Capital Markets USA, Inc. Convene, the New York Regional Office of the United States Census Bureau, and the ground floor houses the New York City Fire Department (FDNY) Engine Company 4 and Ladder Company 15.

Question: What is the building called 32 Old Slip commonly known as?
One Financial Square