Question: Michael J. Stack III is a Democratic member of the Pennsylvania State Senate who has represented the 5th District since 2000. His grandfather the first Michael J. Stack was a United States Congressman from 1935 to 1939.In 2002 he was named to the PoliticsPA list of Best Dressed Legislators. 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