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 is the raiders first game in las vegas?" whose answer is 2020.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Oakland Raiders first game in Las Vegas
Useful Output:

Doc 1: Founded on January 30, 1960, the Oakland Raiders played their first regular season game on September 11, 1960, as a charter member of the American Football
Doc 2: In 2020, the Raiders left Oakland again and moved to Las Vegas and the newly built Allegiant Stadium, which seats 65,000 and can hold up to 71,835 people.
Doc 3: A look back at the past 60 years of the Oakland Raiders' history as they prepare to leave for Las Vegas.
Doc 4: The Raiders showed off their new building during a “Monday Night Football” win against the Ravens in the first regular season game with fans in the two-year
Doc 5: With an offense starring quarterback Daryle Lamonica and center Jim Otto, the Raiders won the AFL championship in December 1967, a victory that