Question: What nationality is the director of film South Of The Border (1939 Film)?
Sentence (from "South of the Border (1939 film)"): Written by Betty Burbridge and Gerald Geraghty, based on a story by Dorrell and Stuart E. McGowan, the film is about a federal agent who is sent to Mexico to prevent foreign powers from gaining control of Mexican oil refineries and fomenting revolution among the Mexican people.
Relevant evidence: No