Conversation so far:
What was Jim McLean's biggest success of the 1980s?
McLean guided his team to triumph in the League Cup
Can you explain in more detail how Jim McLean led his team to win the League Cup?
What successes did Jim McLean have?
He managed Dundee United from 1971-1993, becoming the longest-serving, most successful manager in the club's history, winning three major honours.

Question: Did they win?
Self-contained rewrite: Did Jim McLean's team win the League Cup in 1979?