instruction:
You are given an open-domain question from an open movie database. Your task is to provide an answer to that question. Try to only include the answer. Do not put it in a sentence.
question:
who stars in Nightmare Castle?
answer:
Barbara Steele, Marino Masé, Paul Muller, Helga Liné


question:
who is the writer of Cruel Intentions?
answer:
Choderlos de Laclos, Roger Kumble


question:
how popular was Guilty?
answer:

unknown