Please answer the following question: James Jamie Stone (born 16 June 1954) is a Scottish Liberal Democrat politician. He was a member of the Scottish Parliament for the constituency of Caithness Sutherland and Easter Ross which is the northern-most mainland Scotland constituency and one of the largest constituencies in Britain. He held the seat from the opening of the Scottish Parliament in 1999 until he stood down in 2011. 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?
A:
Office Holder