Question: Who is considered the greatest sprinter of all time and the 2016 Hollywood biographical sports film "I Am Bolt" based on?
Context: M.S. Dhoni: The Untold Story is a 2016 Indian biographical sports film written and directed by Neeraj Pandey.  It is based on the life of former Test, ODI and T20I captain of the Indian national cricket team, Mahendra Singh Dhoni.  The film stars Sushant Singh Rajput as Dhoni, along with Disha Patani, Kiara Advani, and Anupam Kher.  The film chronicles the life of Dhoni from a young age through a series of life events. Baseball's Last Hero: 21 Clemente Stories is a 2013 American biographical sports film.  The movie is an independent film about the life of Major League Baseball player Roberto Clemente who wore jersey number 21.  It is the first feature dramatic film on Clemente's life and was written and directed by California filmmaker and Pittsburgh native Richard Rossi and stars two-time Olympian high-jumper Jamie Nieto in the title role of Roberto Clemente and Project Runway Winner Marilinda Rivera as his wife Vera Clemente.  Rossi searched for some time and had difficulty casting the lead.  "I'd find someone who looked like him and had those aspects, but they wouldn't be a good athlete," said Rossi.  "I'd play catch with them, have them swing the bat.  I didn't think we'd find all of those components."  Richard Rossi appears in a supporting role playing the part of the agent "Birddog," who persuaded Clemente to leave the Brooklyn Dodgers to play for the Pittsburgh Pirates.  Clemente made his Pittsburgh debut in 1955 and went on to be named to 12 all-star teams while leading the National League in batting four times, winning one most valuable player award and two World Series rings. "Champions" is a song by American singer Usher and Panamanian singer Rubén Blades, recorded for the biographical sports film, "Hands of Stone" and is also included on his eight studio album "Hard II Love".  It was released by RCA on August 26, 2016, available for digital download and online streaming.  The song was written by Usher, Rubén Blades, Raphael Saadiq and Taura Stinson. Hands of Stone is a 2016 American biographical sports film about the career of Panamanian former professional boxer Roberto Durán.  It is directed and written by Jonathan Jakubowicz.  It stars Édgar Ramírez, Robert De Niro, Usher, Ruben Blades, Pedro "Budu" Pérez, Ellen Barkin, Ana de Armas, Oscar Jaenada and John Turturro.  The film premiered at Cannes on May 16, 2016 where it was received with a fifteen-minute standing ovation, and was released on August 26, 2016, by The Weinstein Company.  Critical reviews were mixed, and the film was not a financial success. I Am Bolt is a 2016 Hollywood biographical sports film co-directed by Benjamin Turner and Gabe Turner and produced by Leo Pearlman.  It is based on the life of Jamaican sprinter and three times Olympic gold medalist and World Record holder for 100m, 200m and 4x100m, Usain Bolt, who is the fastest man ever to walk on Earth. Usain St Leo Bolt ( ; born 21 August 1986) is a retired Jamaican sprinter.  He is the first person to hold both the 100 metres and 200 metres world records since fully automatic time became mandatory.  He also holds the world record as a part of the 4 × 100 metres relay.  He is the reigning Olympic champion in these three events.  Because of his dominance and achievements in sprint competition, he is widely considered to be the greatest sprinter of all time. The Greatest Game Ever Played is a 2005 biographical sports film based on the early life of golf champion Francis Ouimet.  The film was directed by Bill Paxton, and was his last film as a director.  Shia LaBeouf plays the role of Ouimet.  The film's screenplay was adapted by Mark Frost from his book, "The Greatest Game Ever Played: Harry Vardon, Francis Ouimet, and the Birth of Modern Golf".  It was shot in Montreal, Canada, with the Kanawaki Golf Club, in Kahnawake, Quebec, the site of the golf sequences. Greater is a 2016 American biographical sports film directed by David Hunt and starring Christopher Severio as American football player Brandon Burlsworth.  The film was released on August 26, 2016. Bleed for This is a 2016 American biographical sports film written and directed by Ben Younger and based on the life of former world champion boxer Vinny Pazienza (officially Vinny Paz since 2001).  The film stars Miles Teller as Pazienza, with Aaron Eckhart, Katey Sagal, Ciarán Hinds, and Ted Levine in supporting roles. Budhia Singh – Born to Run is a 2016 Indian biographical sports film directed by Soumendra Padhi.  It is based on the life of Budhia Singh, world's youngest marathon runner, who ran 48 marathons, when he was only five years old.  The film stars Manoj Bajpayee as a coach and Mayur Patole as the title character.
Answer: Usain Bolt