Question: Which of the following is a series of 3 documentary films released between 2007 and 2011: Zeitgeist or Great Old Amusement Parks?
Sentence (from "Zeitgeist (film series)"): Zeitgeist is a series of three documentary films released between 2007 and 2011 that present a number of conspiracy theories, as well as proposals for broad social and economic changes.
Relevant evidence: Yes