Question: The Dangerous Liaisons included a cast with the opera singer of what nationality?
Sentence (from "The Dangerous Liaisons"): The world-premiere cast included Thomas Hampson as Valmont, Frederica von Stade as Merteuil, David Hobson as Chevalier de Danceny, Renée Fleming as Tourvel and Mary Mills as Cécile de Volanges.
Relevant evidence: Yes