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 is longer, the Lake Washington Ship Canal or the Colorado River Aqueduct?" whose answer is The Colorado River Aqueduct.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Colorado River Aqueduct length
Useful Output:

Doc 1: The Colorado River Aqueduct is a 242-mile system of aqueduct, tunnels and siphons. The tunnels vary in length from 338 feet (just over the
Doc 2: The Colorado River Aqueduct is a 242 mi (389 km) water conveyance in Southern California in the United States.
Doc 3: The Colorado River Aqueduct extends nearly 242 mi across California, gaining more than 1,600 ft in elevation as it runs westward.
Doc 4: The aqueduct carries water 242 miles, from Lake Havasu, on the Colorado River, to Lake Matthews in western Riverside County, at the edge of the Great City.
Doc 5: Length. 389 km; 242 mi. Mouth of the watercourse. Lake Mathews. +−. 300 m  Colorado River Aqueduct, From Colorado River to Lake Mathews