What is the former name of the episode of "The Simpsons" that was aired on the same day as the episode that was Billy Kimball's first writing credit?
24 Minutes: "24 Minutes" is the twenty-first episode of "The Simpsons"<nowiki>'</nowiki> eighteenth season. 24 Minutes:  It originally aired on the Fox network in the United States on May 20, 2007 as part of the one-hour season finale, alongside the episode "You Kent Always Say What You Want". 24 Minutes:  It was written by Ian Maxtone-Graham and Billy Kimball. 24 Minutes:  It was Kimball's first writing credit. You Kent Always Say What You Want: "You Kent Always Say What You Want", formerly known as "Kent State Massacre", is the twenty-second episode of "The Simpsons"<nowiki>'</nowiki> eighteenth season.
"Kent State Massacre"