Karl Schmidt (born 5 March 1932) is a German former international footballer who played as a defender for KSV Hessen Kassel 1. FC Kaiserslautern and FK Pirmasens. 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:
Athlete