Question: When did the director of film Under Cover (1916 Film) die?
Sentence (from "Under Cover (1916 film)"): Under Cover is a lost 1916 American silent drama film directed by Robert G. Vignola, written by Doty Hobart and Roi Cooper Megrue, and starring Hazel Dawn, Owen Moore, William Courtleigh Jr., Ethel Fleming, Frank Losee, and Ida Darling.
Relevant evidence: Yes