Conversation so far:
What was Lionel Conacher's connection about football?
Lionel Conacher's first passion was football.
Did Lionel Conacher play football?
Rugby football was the first sport Lionel Conacher played, and it was his favourite.
What football team did Lionel Conacher play for?
Lionel Conacher was a member of the Toronto Argonauts.
Did the Toronto Argonauts win while Lionel Conacher played with them?
The Argonauts won the eastern championship.

Question: how long did he play for them
Self-contained rewrite: How long did Lionel Conacher play for the Toronto Argonauts?