Answer the following question: Thomas Clement Tommy Douglas PC CC SOM (20 October 1904 24 February 1986) was a Scottish-born Canadian social-democratic politician and Baptist minister. He was elected to the Canadian House of Commons in 1935 as a member of the Co-operative Commonwealth Federation (CCF). He left federal politics to become the Saskatchewan CCF's leader and then the seventh Premier of Saskatchewan from 1944 to 1961. 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?
Answer:
Office Holder