Given a factoid/trivia type question, generate the topic of the question. The topic is the entity the question talks about.

Written by Edgar Allen Poe and published in 1845, what poem repeats the famous line `nevermore`?
edgar allan poe

July 1938 saw the first ascent of the North Face of which Alpine mountain?
alps

Which was the first X-rated film to have won the Oscar for Best Picture?

academy award for best picture