Conversation so far:
Was Dan Aykroyd married?
he married actress Donna Dixon.
How long was he married to Donna Dixon?
CANNOTANSWER.
Did Dan have any children with Donna Dixon?
They have three daughters.

Question: Who are the daughters that Dan had with Donna Dixon?
Self-contained rewrite: Who are the three daughters that Dan Aykroyd had with Donna Dixon?