Question: When was the amusement zone founded at which the mummified body of Elmer McCurdy was positively identified in 1976, founded ?
Sentence (from "Elmer McCurdy"): Elmer J. McCurdy (January 1, 1880 – October 7, 1911) was an American bank and train robber who was killed in a shoot-out with police after robbing a Katy Train in Oklahoma in October 1911.
Relevant evidence: No