Question:  Lilian Sukis sang the role of Countess Almaviva in Wolfgang Amadeus Mozart's "The Marriage of Figaro" at an internationally recognized annual repertory theatre festival founded by who?
Sentence (from "Lilian Sukis"): She made her debut at the Met in 1967 as Helen Niles in the world premiere of Marvin David Levy's "Mourning Becomes Electra".
Relevant evidence: No