Please answer the following question: Julia Vakulenko - Julia Olegovna Vakulenko (Ukrainian: ) (born July 10 1983 in Yalta) is a professional Ukraine-born female tennis player. She achieved her career high ranking of No. 31 on January 14 2008.In April 2008 Vakulenko renounced her Ukrainian citizenship announcing her decision to acquire the citizenship of Spain where she's lived for the last ten years. 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?
A:
Athlete