Conversation so far:
where wasTippi Hedren born?
Tippi Hedren was born in New Ulm, Minnesota
is Tippi Hedren married?
Tippi Hedren is Divorced
did Tippi Hedren have kids?
Tippi Hedren's daughter is Melanie Griffith

Question: how long was she married?
Self-contained rewrite: how long wasTippi Hedren married?