Question: Who wrote the film that a 1982 American erotic horror film directed by Paul Schrader was loosely based on and was  a 1942 horror film produced by Val Lewton?
Sentence (from "Isle of the Dead (film)"): The film's script was inspired by the painting "Isle of the Dead" by Arnold Böcklin, which appears behind the title credits, though the film was originally titled "Camilla" during production.
Relevant evidence: No