For what NBC sketch comedy is the creator of 30 Rock best known?
30 Rock (season 3): The third season of "30 Rock", an American television comedy series, consists of 22 episodes and began airing on October 30, 2008 on the NBC network in the United States. 30 Rock (season 3):  The season was produced by Broadway Video, Little Stranger, and NBC Universal; the executive producers were series creator Tina Fey, Lorne Michaels, Marci Klein, David Miner, and Robert Carlock.
i don't know