Please answer the following question: David Butler (American politician) - David Christy Butler (December 15 1829 May 25 1891) was a U.S. political figure. He was the first Governor of Nebraska serving from 1867 until 1871. He was the first Governor of Nebraska after statehood and the only Nebraska Governor to date to be impeached. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
Answer:
Office Holder