Question: Pitch Perfect is a 2012 American musical comedy film, it features an ensemble cast, including which American actress and singer, and is known for her role as Sarah Newlin in "True Blood", and her recurring roles in "Mad Men"?
Sentence (from "Pitch Perfect"): The film is loosely adapted from Mickey Rapkin's non-fiction book, titled "Pitch Perfect: The Quest for Collegiate a Cappella Glory".
Relevant evidence: No