Question: Of the singers that Minnie Julia Riperton-Rudolph sang backup for, which one was born with the name Ellas Otha Bates?
Sentence (from "Minnie Riperton"): Her early affiliation with the legendary Chicago-based Chess Records afforded her the opportunity to sing backup for various established artists such as Etta James, Fontella Bass, Ramsey Lewis, Bo Diddley, Chuck Berry, and Muddy Waters.
Relevant evidence: Yes