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: "What dam was dedicated in 1935 and is upstream from the deepest dam in the world?" whose answer is Hoover Dam.
Each document should contain about 30 words, and these documents should contain useful information.

Query: dams upstream of Parker Dam dedicated in 1935
Useful Output:

Doc 1: It is said that operating the Hoover Dam with its controlled water releases to the Parker Dam was critical to the drinking water and industrial expansion of the
Doc 2: Hoover Dam is as tall as a 60-story building. It was the highest dam in the world when it was completed in 1935. Its base is as thick as two
Doc 3: He proposed four dams along the lower Colorado, the first at the mouth of the Williams River above Parker, Arizona. This “high dam” would
Doc 4: Together with Hoover Dam 67 miles upstream and Parker Dam 88 miles downstream, Davis Dam was built to provide flood protection, hydroelectric generation
Doc 5: The Hoover Dam, which was the tallest dam (at over 700 feet) in the world when it was completed in 1935, was built in the Black Canyon on the