Question: Are both Peter J. Hall and Marcus Mårtensson from the same country?
Sentence (from "Peter J. Hall"): Peter John Hall( January 22, 1926 – May 27, 2010) was a British- born American costume designer who spent most of his career as costumer for the Dallas Opera, in addition to his work for Covent Garden, La Scala, the Old Vic and the Vienna State Opera, as well as productions in New York City for the American Ballet Theatre, the Metropolitan Opera, the New York City Opera and on Broadway.
Relevant evidence: Yes