Question: Who was the chief economic policy adviser during the 2008 presidential campaign of the current US Senator from Arizona?
Sentence (from "John McCain presidential campaign, 2008"): His second candidacy for the Presidency of the United States, he had previously run for his party's nomination in the 2000 primaries and was considered as a potential running mate for his party's nominee, then-Governor George W. Bush of Texas.
Relevant evidence: No