Question: In what financial district did the Japanese American artist and landscape architect who designed various Martha Graham productions, build a 51-story office building?
Sentence (from "Singer Building"): The Singer Building or Singer Tower, at Liberty Street and Broadway in Lower Manhattan's Financial District, in the U.S. state of New York, was a 47-story office building completed in 1908 as the headquarters of the Singer Manufacturing Company.
Relevant evidence: No