Question: What is the date of birth of the director of film Dream Street (Film)?
Sentence (from "Dream Street (film)"): Dream Street is a 1921 American silent romantic drama film directed by D. W. Griffith, and starring Carol Dempster, Charles Emmett Mack, and Ralph Graves in a story about a love triangle set in London, and based on two short stories by Thomas Burke, "Gina of Chinatown" and "Song of the Lamp".
Relevant evidence: Yes