Which film won the most Academy Awards in 2009?

Slumdog Millionaire is a 2008 British drama film directed by Danny Boyle, written by Simon Beaufoy, and produced by Christian Colson. Set and filmed in India, it is a loose adaptation of the novel Q & A (2005) by Indian author and diplomat Vikas Swarup, telling the story of Jamal Malik, age 18, from the Juhu slums of Mumbai. As a contestant on the Indian version of Who Wants to Be a Millionaire? who is able to answer every stage correctly, he is accused of cheating. Jamal recounts his history, illustrating how he is able to answer each question.

Regarded as a sleeper hit, Slumdog Millionaire was widely acclaimed, being praised for its plot, soundtrack and direction. It was nominated for ten Academy Awards in 2009 and won eight—the most for any 2008 film—including Best Picture, Best Director, and Best Adapted Screenplay. It won seven BAFTA Awards including Best Film, five Critics' Choice Awards and four Golden Globes.