Question: What is the birthday of the composer of the song "Cups" that wasn't Luisa Gerstein?
Sentence (from "A. P. Carter"): Alvin Pleasant Delaney Carter (December 15, 1891 – November 7, 1960) professionally recording as A.P. Carter, was an American musician and founding member of The Carter Family, one of the most notable acts in the history of country music.
Relevant evidence: Yes