Question: Do both directors of films American Graffiti and Fanny Elssler (1937 film) have the same nationality?
Sentence (from "Fanny Elssler (1937 film)"): Fanny Elssler is a 1937 German historical drama film directed by Paul Martin and starring Lilian Harvey, Rolf Moebius and Willy Birgel.
Relevant evidence: Yes