an Entity references as follows:
Park Sung-hwan (Hangul: 박성환; Hanja: 朴成煥; born September 4, 1984 in Jeju-do) is a badminton player from South Korea. Park is the top-ranked men's singles player in South Korea and has succeeded at an international level, winning individual medals at both the 2010 World Championships and the 2010 Asian Games.