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 the raiders won the afc west?" whose answer is 2002.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when was the last time the las Vegas raiders won the afc west
Useful Output:

Doc 1: They completed the trifecta Sunday with a 37-12 win over the Broncos. The week before they edged the Los Angeles Chargers 31-26. Several weeks
Doc 2: Off to their first 3-0 start since 2002, the last time they won the AFC West, the Raiders are arguably the NFL's biggest surprise. But Las
Doc 3: While it's been over 20 years since the organization won the AFC West, the Las Vegas Raiders have never finished in last place in the division.
Doc 4: The Chiefs defeated the Los Angeles Chargers, 19-17, on Sunday night to clinch their ninth straight division title.
Doc 5: The Raiders have won three Super Bowl championships (1977, 1981, and 1984), one American Football League (AFL) championship (1967), and four