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 was the chief economic policy adviser during the 2008 presidential campaign of the current US Senator from Arizona?" whose answer is Douglas James "Doug" Holtz-Eakin.
Each document should contain about 30 words, and these documents should contain useful information.

Query: current US Senator from Arizona
Useful Output:

Doc 1: Kyrsten Sinema, the Senator from Arizona - in Congress from 2013 through 2025.
Doc 2: Mark Kelly, the Senator from Arizona - in Congress from 2020 through Present.
Doc 3: Here are Arizona's US senators and how to reach them · Sen. Mark Kelly, D-Ariz. · Sen. Ruben Gallego, D-Ariz.
Doc 4: Who Are Arizona's Senators? In this informative video, we will provide an overview of Arizona's current Senate  Us: CountyOffice.org is
Doc 5: Americans in the United States's six territories do not have senators. Arizona's senators are: Mark Kelly. Senior Senator. Mark Kelly. Democrat. Since Dec. 2,