Conversation so far:
What are some interesting facts about the rookie carreer of Hoyt Wilhelm?
CANNOTANSWER.
In what teams did Wilhelm play?
Wilhelm managed two minor league teams in the Atlanta Braves system for single seasons.
Did he win any important tournaments?
He led the 1973 Greenwood Braves of the Western Carolinas League to a 61-66 record.
What about any other tournaments?
then had a 33-33 record with the 1975 Kingsport Braves of the Appalachian League.
Did he lose any tournaments or came close?
33-33 record with the 1975 Kingsport Braves of the Appalachian League.
Whats the name of a team member of Hoyt Wilhelm?
He sometimes worked individually with major league players who wanted to improve their knuckleballs, including Joe Niekro.
Did he played for a mlb team?
Wilhelm managed two minor league teams in the Atlanta Braves system for single seasons.
He led the 1973 Greenwood Braves of the Western Carolinas.

Question: When did Wilhelm retire?
Self-contained rewrite: When did Hoyt Wilhelm retire from baseball?