Conversation so far:
what did Ken do after the war?
After the war, he continued his career with the Bears.
Did he do well with the bears?
In 1945 he had 543 yards and six touchdowns, and in 1946 had 337 yards and five touchdowns.
did he win any awards?
In 1969, Kavanaugh was voted by sportswriters to the NFL 1940s All-Decade Team.
which teams did he play against?
His most productive single-game yardage performance came in his final season, in 1950 against the Yanks.
Did they win?
CANNOTANSWER.
what were his stats against the Yanks?
as he caught eight passes for 177 yards and a touchdown.

Question: how long was he with Chicago?
Self-contained rewrite: How long was Ken Kavanaugh with the Chicago Bears after the war?