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 did the chargers become los angeles chargers?" whose answer is 2017.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the san diego chargers change to los angeles chargers
Useful Output:

Doc 1: Los Angeles Chargers, American professional gridiron football team that plays in the American Football Conference (AFC) of the National Football League (NFL).
Doc 2: After spending 55 years in San Diego, the Chargers are moving back to Los Angeles this upcoming NFL season. Until the Los Angeles Stadium at
Doc 3: Established in Los Angeles in 1959 as a charter member of the American Football League, the Chargers moved south in 1961 and played in San Diego through the
Doc 4: Arash Markazi of ESPN reported the Chargers will have minicamp and OTAs in San Diego until July 1, when they will move north. Spanos
Doc 5: When the Chargers moved from San Diego to Los Angeles in 2017 they took their four jersey combinations with them. The only things that have changed were the