Conversation so far:
When did Charlie Parker die?
Parker died on March 12, 1955.
What did he die from?
The official causes of death were lobar pneumonia and a bleeding ulcer, but Parker also had an advanced case of cirrhosis and had suffered a heart attack.
Is there more interesting facts about his death?
The coroner who performed his autopsy mistakenly estimated Parker's 34-year-old body to be between 50 and 60 years of age.
What else did the coroner find out about his autopsy?
CANNOTANSWER.

Question: How old was he when he died?
Self-contained rewrite: How old was Charlie Parker when he died?