Question: What is the date of birth of the director of film Graft (1931 Film)?
Sentence (from "Graft (1931 film)"): Graft is a 1931 American pre-Code thriller film, directed by Christy Cabanne, starring Regis Toomey and future talent agent Sue Carol, and featuring Boris Karloff, who appeared in "Frankenstein" during the same year.
Relevant evidence: Yes