Conversation so far:
who has scored the most tries in rugby history and how many did he score
Daisuke Ohata, the world’s leading international try scorer with 69.
when was Daisuke Ohata born
Daisuke Ohata was born 11 November 1975.
where is the birthplace of Daisuke Ohata
Daisuke Ohata was born in Osaka, Osaka Prefecture, Japan.
how was Daisuke Ohata educated
Daisuke Ohata attended rugby nurseries Tokai Dai Gyosei High School and Kyoto Sangyo University.

Question: why is the player retired
Self-contained rewrite: why is Daisuke Ohata retired