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 gaming corporation based in Paradise, Nevada operates Harrah's Resort Southern California?" whose answer is Caesars Entertainment Corporation.
Each document should contain about 30 words, and these documents should contain useful information.

Query: operating company of Harrah's Resort Southern California
Useful Output:

Doc 1: Harrah's Resort Southern California is owned by Rincon Band of Luiseño Mission Indians and Caesars Entertainment, Inc.
Doc 2: Harrah's Resort Southern California is often celebrated for its cleanliness, with many guests commending the pristine conditions of the rooms.
Doc 3: Harveys Tahoe Management Company, Inc. Nevada, 100, %. Harrah South Shore Corporation. California  Caesars Hotel Castilla La Mancha S.L.. Spain, 100, %. B I
Doc 4: Website: http://www.HarrahsSoCal.com/careers. External link for Harrah's Resort Southern California ; Industry: Hospitality ; Company size: 1,001-5,000 employees.
Doc 5: Since its beginning in Reno, NV, in 1937, Caesars Entertainment, Inc. has grown through development of new resorts, expansions and acquisitions.