Question: Which band was the band, who featured the "Fab Four," named after?
Sentence (from "Fifth Beatle"): The fifth Beatle is an informal title that various commentators in the press and entertainment industry have applied to people who were at one point a member of the Beatles, or who had a strong association with the "Fab Four" (John Lennon, Paul McCartney, George Harrison, and Ringo Starr) during the group's existence.
Relevant evidence: Yes