Question: Do Antonio Mercader and Doris Köhler have the same nationality?
Sentence (from "Forbidden Music"): For the song of the same name see Stanislao Gastaldon" Forbidden Music( Italian: Musica proibita) is a 1942 Italian drama film directed by Carlo Campogalliani and starring Tito Gobbi, María Mercader and Giuseppe Rinaldi.
Relevant evidence: No