Simplify the following text for a Grade 7 native English-speaking person.
Original: Yoshikiyo Kuboyama ( ä Yoshikiyo Kuboyama , born 21 July 1976 in Yaizu , Shizuoka , Japan ) is a former Japanese football player .
Simplified: Yoshikiyo Kuboyama ( born 21 July 1976 ) is a former Japanese football player .