Question: Walter "Walt" Kowalski is the main character of a film released in what year?

Context articles: Árvácska
Merida (Disney)
Gran Torino
Walter White (Breaking Bad)
Little Johnny Jones (film)
Walt Longmire
Matilda (alt-J song)
Alexander the Great (2010 film)
Walt Kowalski
J. D.'s Revenge

Árvácska is a Hungarian film released 4 March 1976.
 Based on a book by Zsigmond Móricz, the film tells the story of Csöre, an orphan girl living among the peasantry of Hungary in the 1930s.
 It stars Zsuzsa Czinkóczi, then age seven, as main character Csöre, also known as Árvácska ("little orphan").
Princess Merida of DunBroch (Scottish Gaelic: Mèrida) is the main character from the 2012 Disney Pixar film "Brave".
 Merida was added to the Disney Princess line-up as the 11th Princess and the first Pixar character to receive the honor on May 11, 2013.
 Merida is also the main character of the games "Brave" and "".
 Merida also is a playable character in the "Disney Infinity" Franchise, first appearing in "Disney Infinity 2.0."
Gran Torino is a 2008 American drama film directed and produced by Clint Eastwood, who also starred in the film.
 The film co-stars Christopher Carley, Bee Vang and Ahney Her.
 This was Eastwood's first starring role since 2004's "Million Dollar Baby".
 The film features a large Hmong American cast, as well as one of Eastwood's younger sons, Scott.
 Eastwood's oldest son, Kyle, provided the score.
 "Gran Torino" opened via a limited theatrical release in North America on December 12, 2008, and later to a worldwide release on January 9, 2009.
 Set in Detroit, Michigan, it is the first mainstream American film to feature Hmong Americans.
 Many Lao Hmong war refugees resettled in the U.S. following the communist takeover of Laos in 1975.
Walter Hartwell White Sr., also known by his clandestine alias Heisenberg, is a fictional character and the main protagonist of "Breaking Bad".
 He is portrayed by Bryan Cranston.
 A graduate of the California Institute of Technology, Walt was once a promising chemist who cofounded the company Gray Matter Technologies with his close friend Elliot Schwartz and his then-girlfriend Gretchen.
 He left Gray Matter abruptly, selling his shares for $5,000; soon afterward, the company made a fortune, much of it from his research.
 Walt subsequently moved to Albuquerque, New Mexico, where he became a high school chemistry teacher.
 "Breaking Bad" begins on Walter's 50th birthday, when he is diagnosed with Stage IIIA lung cancer.
 After this discovery, he resorts to manufacturing methamphetamine and drug dealing to ensure his family's financial security after his death.
 He is pulled deeper into the illicit drug trade, becoming more and more ruthless as the series progresses, and later adopts the alias "Heisenberg", which becomes recognizable as the kingpin figure in the local drug trade.
 Series creator Vince Gilligan has described his goal with Walter White as "turning Mr. Chips into Scarface", and deliberately made the character less sympathetic over the course of the series.
 Walt's evolution from mild-mannered school teacher and family man to ruthless criminal mastermind and murderer is the show's central focus.
Little Johnny Jones is a 1929 black-and-white musical film released in the United States adapted from the musical play of the same name.
 The film was directed by Mervyn LeRoy and main character Johnny Jones was played by Edward Buzzell.
Sheriff Walter "Walt" Longmire is the main character of the "Walt Longmire Mysteries" series of mystery novels written by best-selling author Craig Johnson and the title character of "Longmire", a crime drama television series that was developed by John Coveny and Hunt Baldwin.
 On the show, he is portrayed by Robert Taylor.
"Matilda" is a song by British rock band alt-J from their debut studio album "An Awesome Wave", released on January 10, 2012 as a digital download.
 It was released as a split single with "Fitzpleasure" in February 24 as a digital download and on 10" triangle shaped vinyl.
 It was written by Joe Newman, Gus Unger-Hamilton, Gwilym Sainsbury and Thom Green and produced by Charlie Andrew.
 The song is a tribute to Matilda Davies, a friend of the band, who was an Art teacher at a grammar school in Kings Heath, Birmingham, who later moved to United Arab Emirates.
 The song relates to the movie , specifically the relationship between the main character (a hitman) and a young girl called Mathilda.
 The band would later release the song "Leon", a tribute to the main character of the film.
Alexander the Great is a Malayalam film released in May 2010.
 The film is directed by Murali Nagavalli, scripted by C. Balu, and stars Mohanlal, Bala and Aswathy.
 It is different from most Indian films in that the main character, played by Mohanlal, has no heroine counterpart for his role.
 It is described by the director as a "comical racy entertainer".
 The film is a partial adaptation of the Hollywood film "Rain Man".
Walter "Walt" Kowalski is the main character of the film "Gran Torino", portrayed by Clint Eastwood.
J. D.'s Revenge is a blaxploitation horror film released in 1976.
 It starred Glynn Turman and Lou Gossett.
 The main character becomes an unwilling host for the restless spirit of J.D. Walker, a hustler killed 30 years earlier when he was wrongfully accused of killing his sister.