Question: Which American dancer worked at a jazz music bar and lounge in Atlantic City, New Jersey prior to its closing in the mid-1970's?
Sentence (from "Grace's Little Belmont"): Wild Bill Davis and his swing and jazz quartet were featured summer performers from 1950 through the mid-1960s, and Elvera M. "Baby" Sanchez, mother of Sammy Davis, Jr., worked at the bar.
Relevant evidence: Yes