Conversation so far:
What is the Borussia Monchengladbach?
he was part of the team.
Where was the team located?
European.
How long was he on the team for?
Simonsen waited for his contract to expire and moved to FC Barcelona in 1979.

Question: did the team win many matches?
Self-contained rewrite: did the Allan Simonsen's team Borussia Monchengladbach win many matches?