Answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Christian Keller (footballer) - Christian Thielsen Keller (born 17 August 1980 in Brrup) is a Danish professional football (soccer) player playing in a midfield position. He plays for Danish club Randers and has represented his country in 27 matches for various Danish youth national teams.
Answer:
Athlete