Question: For what NBC sketch comedy is the creator of 30 Rock best known?
Sentence (from "Tina Fey"): She is best known for her work on the NBC sketch comedy series "Saturday Night Live" (1997–2006) and for creating the acclaimed comedy series "30 Rock" (2006–2013) and "Unbreakable Kimmy Schmidt" (2015–present).
Relevant evidence: Yes