Question: What state did both Alecko Eskandarian and Lili Chookasian work in? 
Sentence (from "Lili Chookasian"): She arose as one of the world's leading contraltos during the 1960s and 1970s, and notably had a long and celebrated career at the Metropolitan Opera in New York City from 1962 through 1986.
Relevant evidence: Yes