Conversation so far:
When did Nicklas Lidström's playing career start?
CANNOTANSWER.
What teams did he play for?
Detroit Red Wings.
What position did he play for the Detroit Red Wings?
Widely considered one of the greatest defencemen of all time.

Question: What happened while he played for the Red Wings?
Self-contained rewrite: What happened while Nicklas Lidström played defence for the Red Wings?