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: "when was the last time liverpool were in champions league?" whose answer is 2014–15.
Each document should contain about 30 words, and these documents should contain useful information.

Query: last time liverpool were in champions league
Useful Output:

Doc 1: Cup history ; 88/89, Winner. Everton FC, Everton ; 87/88, Final. Wimbledon FC (- 2004) · Wimbledon FC ; 86/87, Third Round. Luton Town · Luton ; 85/86, Winner
Doc 2: The Reds had only made three appearances in the European Cup when Bob Paisley took them to the final at the end of the 1976-1977 campaign. Having already won
Doc 3: 2019 Champions League final: Watch highlights​​ Liverpool have also been runners-up in the competition on four occasions, losing the final in 1985, 2007, 2018
Doc 4: Liverpool have been crowned champions of England on 20 occasions, with the club's most recent triumph coming under Arne Slot. · 1946-47 · 1963-64
Doc 5: Liverpool have appeared in nine European finals, in 1977, 1978, 1981, 1984, 1985, 2005, 2007, 2018 and 2019. The 2021/22 final will be their tenth European