Simplify the following text for a Grade 7 native English-speaking person.
Original: Kim Yu-Na ( Hangul : , Hanja : , IPA : ( kimjÊ na ) ; born September 5 , 1990 in Bucheon , Gyeonggi-do ) is a South Korean figure skater .
Simplified: Kim Yu-Na ( Hangul : , Hanja : , ; born September 5 , 1990 ) is a South Korean figure skater .