Question: Do director of film Motherhood (1917 Film) and director of film Tropical Nights (1931 Film) have the same nationality?
Sentence (from "Tropical Nights (1931 film)"): Tropical Nights( German: Tropennächte) is a 1931 American German language drama film directed by Leo Mittler and starring Dita Parlo, Robert Thoeren and Fritz Greiner.
Relevant evidence: Yes