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?

full_context: Document 1: 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.
Document 2: Noah Galloway: Noah Matthew Galloway (born October 28, 1981) is a former United States Army soldier, motivational speaker, and extreme sports enthusiast. He was injured during the Iraq War, losing his left arm above the elbow and left leg above the knee. He was a contestant on "Dancing with the Stars" season 20, paired with Sharna Burgess. The pair finished in third place. He led his team to victory in the first season of the "American Grit" TV show on FOX. His book "Living with No Excuses: The Remarkable Rebirth of an American Soldier" was released in August 2016.
Document 3: American Sniper: American Sniper is a 2014 American biographical war drama film directed by Clint Eastwood and written by Jason Hall. It is loosely based on the memoir "American Sniper: The Autobiography of the Most Lethal Sniper in U.S. Military History" (2012) by Chris Kyle, with Scott McEwen and Jim DeFelice. The film follows the life of Kyle, who became the deadliest marksman in U.S. military history with 255 kills from four tours in the Iraq War, 160 of which were officially confirmed by the Department of Defense. While Kyle was celebrated for his military successes, his tours of duty took a heavy toll on his personal and family life. The film was produced by Eastwood, Robert Lorenz, Andrew Lazar, Bradley Cooper, and Peter Morgan. It stars Cooper as Kyle and Sienna Miller as his wife Taya, with Luke Grimes, Jake McDorman, Cory Hardrict, Kevin Lacz, Navid Negahban, and Keir O'Donnell in supporting roles.
Document 4: Alek Skarlatos: Aleksander Reed "Alek" Skarlatos ( born October 10, 1992) is an American Oregon Army National Guardsman specialist who, along with fellow Americans Spencer Stone and Anthony Sadler, a Briton and two Frenchmen, stopped a gunman on a Paris-bound train travelling from Amsterdam via Brussels in August 2015. He has been awarded the United States Army Soldier's Medal from U.S. President Barack Obama, and has received France's highest decoration, the Legion of Honour, from French president François Hollande as well as the medal of Arras, France. Skarlatos competed on season 21 of ABC's "Dancing with the Stars" with pro dancer Lindsay Arnold, and finished in third place.
Document 5: The East (film): The East is a 2013 English-language thriller film directed by Zal Batmanglij and starring Brit Marling, Alexander Skarsgård, and Ellen Page. Writers Batmanglij and Marling spent two months in 2009 practicing freeganism and co-wrote a screenplay inspired by their experiences and drawing on thrillers from the 1970s. The American studio Fox Searchlight Pictures had bought rights to distribute Batmanglij's previous film "Sound of My Voice" and also collaborated with the director to produce "The East". With Ridley Scott as producer and Tony Scott as executive producer, Fox Searchlight contracted Scott Free Productions, headquartered in London, to produce the film. "The East" was filmed in two months in Shreveport, Louisiana at the end of 2011. The film premiered to strong reviews at the 2013 Sundance Film Festival on January 20 , 2013. It was released in theaters on May 31 , 2013.
Document 6: Stabbing of Spencer Stone: Spencer Stone, a-then United States Air Force senior airman, was stabbed on October 8, 2015, in downtown Sacramento, California. Stone was stabbed by a 28-year-old California man, James Tran. The event received considerable attention in the U.S., in part that Stone helped stop a gunman on a Paris-bound train traveling from Amsterdam via Brussels two months earlier in August 2015.
Document 7: 2015 Thalys train attack: On 21 August 2015, a shooting and stabbing incident took place on board a Thalys train in France on its way from Amsterdam to Paris. The train had just crossed the border from Belgium into France and was traveling through Oignies in the department of Pas-de-Calais, when the perpetrator opened fire in a train carriage before being subdued by passengers, one of whom he stabbed. Including the assailant, four people were injured, none fatally. The incident is believed by French police to be an Islamist terrorist attack, although the gunman claimed the motivation was robbery due to hunger. Several people who subdued the attacker were awarded France's highest decoration, the Legion of Honour, as well as other awards.
Document 8: Thank You for Your Service (2017 film): Thank You for Your Service is an upcoming American biographical war drama film written and directed by Jason Hall in his directorial debut, based on the non-fiction book of the same name by David Finkel. The film is about posttraumatic stress disorder (PTSD), depicting United States soldiers who try to adjust to civilian life after returning from Iraq. The film is produced by DreamWorks Pictures and distributed by Universal Pictures, starring Miles Teller, Haley Bennett, Beulah Koale, Amy Schumer, and Scott Haze. Principal photography began on February 9, 2016 in Atlanta. It is scheduled for release on October 27, 2017.
Document 9: Kevin Lacz: Kevin “Dauber” Lacz is a United States Navy SEAL veteran who served two tours in the Iraq War with SEAL Team 3. His platoon's 2006 deployment to Ramadi has been discussed in several books, including Dick Couch’s "The Sheriff of Ramadi", Jim DeFelice’s "Code Name: Johnny Walker", and Chris Kyle's New York Times best-selling autobiography, "American Sniper". Lacz’s presence in the book led to his involvement in the production of and eventual casting in the Clint Eastwood-directed Oscar-winning biopic of the same name (starring Bradley Cooper).
Document 10: Spencer Stone: Spencer Stone ( born 1992) is an American author, television personality and former United States Air Force staff sergeant. Stone, along with fellow Americans Alek Skarlatos and Anthony Sadler, a Briton and two Frenchmen, stopped a gunman on a Paris-bound train travelling from Amsterdam via Brussels in August 2015. Gaining international fame, Stone was recognized by U.S. Ambassador to France Jane D. Hartley for "his actions in saving countless lives" and by U.S. President Barack Obama, with a ceremony held at The Pentagon to honor Stone, Skarlatos and Sadler. He was awarded the Airman's Medal and a Purple Heart. French President Francois Hollande awarded Stone, as well his friends, the Legion of Honour, the highest French order for military and civil merits. On October 8, 2015, Stone was stabbed by a California man, James Tran, 28, during a fight in downtown Sacramento. He suffered life-threatening injuries and was rushed to UC Davis Medical Center. Stone recovered, and was released from the hospital on October 15. He was promoted to senior airman in late October and then staff sergeant in November 2015.
Document 11: Sully (film): Sully (also known as Sully: Miracle on the Hudson) is a 2016 American biographical drama film directed by Clint Eastwood and written by Todd Komarnicki, based on the autobiography "" by Chesley Sullenberger and Jeffrey Zaslow. The film stars Tom Hanks as Sullenberger, with Aaron Eckhart, Laura Linney, Anna Gunn, Autumn Reeser, Holt McCallany, Jamey Sheridan, and Jerry Ferrara in supporting roles. The film follows Sullenberger's January 2009 emergency landing of US Airways Flight 1549 on the Hudson River, in which all 155 passengers and crew survived with only minor injuries, and the subsequent publicity and investigation.
Document 12: Zachary Rhyner: Technical Sergeant Zachary Rhyner is a Combat Controller (CCT) in the United States Air Force. His hometown is Medford, Wisconsin. While still a Senior Airman, he received the Air Force Cross for his actions in the Battle of Shok Valley on 6 April 2008 in Nuristan Province, Afghanistan. He was the first living, and second ever, Combat Controller to receive the Air Force Cross after TSgt John A. Chapman was posthumously awarded the medal in 2002 for his actions during the Battle of Takur Ghar. In addition to his Air Force Cross Rhyner is the recipient of two Purple Hearts, a Bronze Star Medal and the Air Force Combat Action Medal among others. His first Purple Heart he received for the Battle of Shok Valley, while the second Purple Heart was from a deployment to northern Afghanistan in March 2013 where a gunshot wound shattered his right femur and hip. He has deployed six times, including Iraq and Afghanistan. He has also participated in humanitarian assistance operations as well and was a part of Operation Unified Response in Haiti during the aftermath of the 2010 Haiti earthquake.
Document 13: Dakota Meyer: Dakota Louis Meyer (born June 26, 1988) is a veteran of the United States Marine Corps and the War in Afghanistan. He was awarded the Medal of Honor for his actions during the Battle of Ganjgal on September 8, 2009, in Kunar Province, Afghanistan. Meyer is the second youngest living Medal of Honor recipient, the third living recipient for either Operation Iraqi Freedom or Operation Enduring Freedom – Afghanistan and the first living Marine in 38 years to be so honored.
Document 14: Patriots Day (film): Patriots Day is a 2016 American action-drama film about the 2013 Boston Marathon bombing and the subsequent terrorist manhunt. Directed by Peter Berg and written by Berg, Matt Cook and Joshua Zetumer, the film is based on the book "Boston Strong" by Casey Sherman and Dave Wedge. It stars Mark Wahlberg, J. K. Simmons, John Goodman, Kevin Bacon and Michelle Monaghan.
Document 15: Salvatore Giunta: Salvatore Augustine Giunta ( ; born January 21, 1985) is a former United States Army soldier and the first living person since the Vietnam War to receive the U.S. military's highest decoration for valor, the Medal of Honor. Giunta was cited for saving the lives of members of his squad on October 25, 2007 during the War in Afghanistan. He left the U.S. Army in June 2011.
ground_truth: August 2015