Question: Do both films: Knives of the Avenger and September Affair have the directors from the same country?
Sentence (from "William Dieterle"): William Dieterle( July 15, 1893 – December 9, 1972) was a German- American actor and film director, who emigrated to the United States in 1930 to leave a worsening political situation.
Relevant evidence: Yes