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 "Gay World Amusement Park"): Together with the other two "Worlds", Great World Amusement Park (1930s–1978) at Kim Seng Road and New World Amusement Park (1923–1987) at Jalan Besar, Gay World Park was hustling and bustling with nightlife during the 1930s to 1960s.
Relevant evidence: No