Question: John David Kuo, was an American author and an evangelical Christian, Kuo served as Special Assistant to who, he is an American politician who served as the 43rd President of the United States from 2001 to 2009?
Sentence (from "Presidency of George W. Bush"): The presidency of George W. Bush began at noon EST on January 20, 2001, when George W. Bush was inaugurated as 43rd President of the United States, and ended on January 20, 2009.
Relevant evidence: No