Conversation so far:
What is Fitzroy as related to Robert Walls?
After he retired as a player, Robert Walls immediately took over as coach of Fitzroy, an Australian rules football club
What year did Robert Walls begin coaching Fitzroy?
Robert Walls began coaching Fitzroy in 1981
Until when did Robert Walls remain coaching Fitzroy?
Robert Walls remained coach of Fitzroy until 1985

Question: What league is Fitzroy part of?
Self-contained rewrite: What league is Fitzroy part of?