Question: The seventh season of American Idol, the annual reality show and singing competition, began on January 15, 2008, David Cook was announced the winner of the competition on May 21, 2008, defeating who, which American singer-songwriter, musician, and actor, as runner-up?
Sentence (from "American Idol (season 7)"): Ryan Seacrest continued to host the show with Simon Cowell, Paula Abdul, and Randy Jackson returning as judges.
Relevant evidence: No