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 won the us golf open in 2004?" whose answer is Retief Goosen.
Each document should contain about 30 words, and these documents should contain useful information.

Query: us golf open 2004 winner
Useful Output:

Doc 1: Retief Goosen and Phil Mickelson were among golf's best to square off down the stretch in the battle for U.S. Open glory at Shinnecock Hills
Doc 2: In this "My U.S. Open," Retief Goosen relives his 2004 U.S. Open victory at Shinnecock Hills Golf Club, where he edged Phil Mickelson for
Doc 3: Three years after his first U.S. Open victory, Retief Goosen played in the final group with fellow South African Ernie Els. While Els
Doc 4: Thirteen years after her first U.S. Women's Open title, Meg Mallon entered the final round of the 2004 championship at Orchards Golf Club
Doc 5: Arguably, Mickelson was never better in the Open than on that sundrenched Father's Day in '04, when course conditions spilled over the edge from