 Complete the following phrase:  While working on The PJs, Wilmore participated in a prank organized by staff members of The Simpsons, where he pretended he was the mayor of East St. Louis, Illinois and angrily accosted writer Matt Selman over a joke that denigrated the city in the episode They Saved Lisas Brain. As compensation for his involvement with the joke, Wilmore was given a role in the season 11 episode Its a Mad, Mad, Mad, Mad Marge, in which he played a psychologist. Wilmore joined The Simpsonss writing staff in the shows thirteenth season, and received his first credit for the segment Send in the Clones in Treehouse of Horror XIII. He won a Primetime Emmy Award for Outstanding Animated Program as a producer for the episode Eternal Moonshine of the Simpson Mind at the 