Question: Which film was released more recently, Den Grønne Heisen or Open Graves?
Sentence (from "Den grønne heisen"): Den grønne heisen is a 1981 Norwegian comedy film directed by Odd- Geir Sæther, based on a play by Avery Hopwood, and starring Rolv Wesenlund and Øivind Blunck.
Relevant evidence: Yes