Conversation so far:
What did Gary Ablett Sr. do at Geelong?
Gary Ablett Sr. helped Geelong to a grand final appearance in 1989, where he kicked a grand final record nine goals in a losing team.
How did Gary Ablett Sr. do for the Cats?
Gary Ablett Sr. debuted for the Cats in Round 7 and after just nine games on the wing, Ablett was selected to his first State of Origin game for Victoria.

Question: When did he start playing for the Cats?
Self-contained rewrite: When did Gary Ablett Sr. start playing for the Cats?