Question: What is the date of death of the director of film The Secret Of The Whistler?
Sentence (from "El secreto de la solterona"): El secreto de la solterona( also known as The Secret of the Spinster or The Secret of the Old Maid) is a 1945 Mexican mystery romantic drama film directed and co-written by Miguel M. Delgado, based on an 1868 book of the same name by E. Marlitt.
Relevant evidence: No