Given the question: Lewis Joseph Valentine (March 19 1882 - December 16 1946) was the New York City Police Commissioner from 1934 to 1945 under Mayor Fiorello H. LaGuardia during the Murder Inc. era. He was the author of an autobiography Night stick: The autobiography of Lewis J. Valentine. He was Police Commissioner of New York for eleven years longer than any other previous person in that position. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer is:
Office Holder