Answer the following question: Sebastian Ruthenberg - Sebastian Ruthenberg (born 6 February 1984 in Hamburg) is a German professional poker player who is both a World Series of Poker bracelet and a European Poker Tour title winner. 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?
Answer:
Athlete