Conversation so far:
Where did Guy Carleton reside post-war?
Quebec
What did Guy Carleton do in Quebec?
Guy Carleton was appointed Governor-in-chief.
Did Guy Carleton do anything notable while Governor-in-chief?
Guy Carleton was mostly ignored.

Question: What did he do after that position?
Self-contained rewrite: What did Guy Carleton do after his position as Governor-in-chief?