Q:Michael Sullivan (Canadian senator) - Michael Sullivan (February 13 1838 January 26 1915) was a Canadian physician professor and politician.Born in Killarney County Kerry Ireland Sullivan came to Canada in 1842 and settled in Kingston Ontario. He was educated at the Regiopolis College and received an M.D. in 1858 from Queen's College. He served as Purveyor-General during the North-West Rebellion of 1885. 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?
A:
Office Holder