Question: What was the exact date that the real life accident happened that inspired the movie Miracle Landing?
Sentence (from "Gualliguaica rail accident"): The Gualliguaica rail accident happened on March 11, 1971, near Vicuña in the Elqui Province of northern Chile, when a runaway train carrying 350 passengers, mostly children, derailed next to a 12 metre deep ravine killing twelve people.
Relevant evidence: No