Question: Which country the director of film Silver Threads Among The Gold (1911 Film) is from?
Sentence (from "Edwin S. Porter"): Of over 250 films created by Porter, his most important include "Jack and the Beanstalk" (1902), "Life of an American Fireman" (1903), "The Great Train Robbery" (1903), "The Kleptomaniac" (1905), "Life of a Cowboy" (1906), "Rescued from an Eagle's Nest" (1908), and "The Prisoner of Zenda" (1913) .
Relevant evidence: No