Simplify the following text for a Grade 8 native English-speaking person.
Original: Nobuo Kawaguchi ( born 10 April 1975 in SanjÅ , Niigata , Japan ) is a Japanese former football player who played for Japanese clubs JÃ bilo Iwata and FC Tokyo .
Simplified: Nobuo Kawaguchi ( born 10 April 1975 ) is a former Japanese football player .