Question: The 15:17 to Paris was based on an autobiography about a man who stopped a gunman on a Paris-bound train on what date?
Sentence (from "The 15:17 to Paris"): The 15:17 to Paris is an upcoming American biographical drama film directed by Clint Eastwood and written by Dorothy Blyskal, based on the autobiography "The 15:17 to Paris: The True Story of a Terrorist, a Train, and Three American Heroes" by Jeffrey E. Stern, Spencer Stone, Anthony Sadler and Alek Skarlatos, about the 2015 Thalys train attack; it will star Stone, Sadler, and Skarlatos as themselves.
Relevant evidence: Yes