Question: Which founding member of the Dixie Chicks first became a lead singer with the Court Yard Hounds?
Sentence (from "Martie Maguire"): Martha "Martie" Elenor Erwin (before Maguire; born October 12, 1969) is an American musician who is a founding member of both the female alternative country band, Dixie Chicks and country blue grass duo, Court Yard Hounds.
Relevant evidence: No