Question: Are both director of film Superman (1978 film) and director of film Stuntman (film) from the same country?
Sentence (from "Superman (1978 film)"): An international co-production between the United Kingdom, Switzerland, Panama and the United States, the film stars an ensemble cast featuring Marlon Brando, Gene Hackman, Christopher Reeve, Jeff East, Margot Kidder, Glenn Ford, Phyllis Thaxter, Jackie Cooper, Trevor Howard, Marc McClure, Terence Stamp, Valerie Perrine, Ned Beatty, Jack O' Halloran, Maria Schell, and Sarah Douglas.
Relevant evidence: No