Question: The Producers is a 2005 American musical comedy film directed by Susan Stroman, the film stars an ensemble cast, including which American comedian, actor and singer, best known as a cast member of "Saturday Night Live" from 1985 to 1990?
Sentence (from "Mary Katherine Gallagher"): Shannon portrayed the character in a 1999 film, "Superstar", and she also reprised the role when she hosted "Saturday Night Live" in 2007.
Relevant evidence: No