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: "who is the longest serving manager in the football league?" whose answer is Jim Bentley.
Each document should contain about 30 words, and these documents should contain useful information.

Query: longest serving football manager
Useful Output:

Doc 1: Joachim Löw is the longest-tenured coach in international football, having been in charge of Germany since August 2006. In July, after the European
Doc 2: 1. Guy Roux, Auxerre — 44 years  The longest serving manager of a single football team is Guy Roux, with a remarkable 44 years under his belt.
Doc 3: 1. Arsene Wenger (1996-2018)  Arsenal's legendary Arsene Wenger is the longest-serving manager in Premier League history, with 7,894 days as
Doc 4: ABDOULRAHMAN EL-IDREEZ in the best 5 leagues in Europe. Right now these managers have been managing their said clubs for the longest.
Doc 5: Joachim Low will step down as Germany coach after Euro 2020, ending his reign as the longest serving international manager in Europe.