You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "What is the year of the event which occured first, Circus World was produced, or Rita Hayworth was born?" whose answer is 1918May.
Each document should contain about 30 words, and these documents should contain useful information.

Query: Circus World production year
Useful Output:

Doc 1: Out of the hundreds of first-run films released in North America during 1964, “Circus World” was among only six given deluxe roadshow treatment
Doc 2: Behind the Scenes: “Circus World / The Magnificent Showman” (1964). For John Wayne it was the best of deals and the worst of deals. He had
Doc 3: Take Two: Behind the Scenes: “Circus World/The Magnificent Showman” (1964) · Share this: · Related
Doc 4:  Circus in 1993 | Object ID 2016.16.7 : Donna Zakowska created this design for the Arlecchino character in 1993's Big Apple Circus production.
Doc 5: The first season of "Era" had a 15-year run since its debut on September 27, 2005, and attracted more than 5 million viewers from home and