Question: Do director of film The Showdown (1928 film) and director of film Butterfly (1982 film) share the same nationality?
Sentence (from "Butterfly (1982 film)"): Butterfly is a 1982 American independent crime drama film co-written and directed by Matt Cimber, based on the 1947 novel" The Butterfly" by James M. Cain.
Relevant evidence: Yes