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.

[Q]: In the recent London Olympics where were the rowing events held?
[A]: dorney lake


[Q]: The 2010 charity single 'Helping Haiti' is a cover of which REM song?
[A]: everybody hurts


[Q]: What one word connects the following 1. In a certain comics universe, the dimension in which criminals are held in a state of suspended animation. 2. Lee Falk's popular creation with the nickname The Ghost Who Walks. 3. Erik, who haunts the Paris Opera House.?
[A]:
phantom