Question: What type of film was it that featured the actress who is regarded as the greatest actress of all time?
Sentence (from "Bette Davis"): Regarded as one of the greatest actresses in Hollywood history, she was noted for her willingness to play unsympathetic, sardonic characters and was reputed for her performances in a range of film genres, from contemporary crime melodramas to historical and period films and occasional comedies, although her greatest successes were her roles in romantic dramas.
Relevant evidence: Yes