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: "which american sporting event took place for the first time in 1967?" whose answer is Super Bowl.
Each document should contain about 30 words, and these documents should contain useful information.

Query: major american sporting events 1967
Useful Output:

Doc 1: 1. Jim Bunning, 253 · 2. Jim Lonborg, 246 · 3. Fergie Jenkins, 236 · 4. Sam McDowell, 236 · 5. Gaylord Perry
Doc 2: Muhammad Ali, then known as Cassius Clay, won gold in the light heavyweight boxing division at the Games at just 18 years old. American Wilma
Doc 3:  Football League's (NFL) annual championship game, stands as one of the most significant sporting events globally. Inaugurated in 1967, it
Doc 4: The “Great American Race” attracts over 100,000 fans to the speedway and millions of viewers around the world. Tradition: The race winner
Doc 5: Games is sporting excellence. The organizing committee, Pan American Host Society or PAGS, was created in fall. 1994 (following the bid's