Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.

[EX Q]: What is the name of the actress who had become famous for her role as the possessed girl, Regan, in the 1973 film The Exorcist?
[EX A]: linda blair

[EX Q]: Which John Legend song knocked Pharell Willams completely off the No.1 spot on the US Billboard?
[EX A]: all of me

[EX Q]: What classic short story by the French writer Guy de Maupassant concerns an invisible malevolent spirit that aims to take control over the narrator?
[EX A]:
the horla