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.
Did Jim McLean's team win the League Cup in 1979?
Yes, McLean won the League Cup in 1979?
Did Jim McLean's team go back to the League Cup any following years?
Yes, McLean's team returned to the League Cup in 1980
How did McLean's team do the second time around?
McLean's team won and retained the League Cup in 1980

Question: Was that the last time they were there?
Self-contained rewrite: Was the League Cup in 1980 the last time McLean's team was in the League Cup?