You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "The singer who was the leader of the band that released "The Final Countdown" released the song in what year?" whose answer is 1986.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did Europe release The Final Countdown
Useful Output:

Doc 1: That would be the band Europe. That song was a definite one-hit-wonder for that group, who incidentally is from Sweden.
Doc 2: Released in 1986, the song became their signature track and took them from being a respected European band to a global success. In a recent
Doc 3: Europe, a Swedish rock band formed in 1979. https://www.youtube.com/watch?v=9jK-NcRmVcw Do correct me if I'm wrong, I don't know much about
Doc 4: I take back what I said about our last #1, Berlin's 'Take My Breath Away', having the ultimate '80s riff. For I had forgotten about this
Doc 5: The Final Countdown - Europe (1986). r/nostalgia •