Simplify the following text for a Grade 6 native English-speaking person.
Original: Katsuya Ishihara ( born 2 October 1978 in Yamanashi ) is a Japanese footballer who plays for Ventforet Kofu .
Simplified: Katsuya Ishihara ( born 2 October 1978 ) is a Japanese football player . He plays for Ventforet Kofu .