Question: What year was the movie, which completes the death trilogy of "Babel" and "21 Grams," released?

Context articles: The Matrix Reloaded
Whoppers
Benicio del Toro
Babel (film)
Robert Salerno
21 Grams
The Burning Plain
Gerry (2002 film)
21 grams experiment
Amores perros

The Matrix Reloaded is a 2003 American-Australian science fiction action film, the first sequel to "The Matrix", and the second installment in "The Matrix" trilogy, written and directed by The Wachowski Brothers.
 It premiered on May 7, 2003, in Westwood, Los Angeles, California, and went on general release by Warner Bros. in North American theaters on May 15, 2003, and around the world during the latter half of that month.
 It was also screened out of competition at the 2003 Cannes Film Festival.
 The video game "Enter the Matrix", which was released on May 15, and a collection of nine animated shorts, "The Animatrix", which was released on June 3, supported and expanded the storyline of the film. "
The Matrix Revolutions", which completes the story, was released six months after "Reloaded", in November 2003.
Whoppers are malted milk balls covered with an artificially flavored "chocolatey coating" produced by The Hershey Company.
 The candy is a small, round ball about 3/4 of an inch in diameter.
 They are typically sold either in a small cardboard candy box, in a larger box that resembles a cardboard milk carton, the “Fun Size” variety which is a tube-shaped plastic package sealed at the sides, containing twelve Whoppers weighing 21 grams (0.75 oz), or the even smaller variety of a tube containing three Whoppers weighing 6.8 grams (0.23 oz).
Benicio Monserrate Rafael del Toro Sánchez (born February 19, 1967) is a Puerto Rican actor.
 He won an Academy Award, BAFTA Award, Golden Globe Award and Screen Actors Guild Award for his portrayal of the jaded but morally upright police officer Javier Rodriguez in the film "Traffic" (2000).
 Del Toro's performance as ex-con turned religious fanatic in despair, Jack Jordan, in Alejandro González Iñárritu's "21 Grams" (2003) earned him a second Academy Award nomination for Best Supporting Actor, as well as a second Screen Actors Guild Awards nomination and a BAFTA Awards nomination for Best Actor in a Leading Role.
Babel is a 2006 drama film directed by Alejandro González Iñárritu and written by Guillermo Arriaga, starring an ensemble cast.
 The multi-narrative drama completes Iñárritu's "Death Trilogy", following "Amores perros" and "21 Grams".
 It is an international co-production among companies based in the United States and Mexico.
 The film portrays multiple stories taking place in Morocco, Japan, Mexico and the US.
Robert Salerno (born March 28, 1972) is an American film producer, best known for being a producer of the film "21 Grams" with Alejandro González Iñárritu.
21 Grams is a 2003 American drama film directed by Mexican director Alejandro González Iñárritu from a screenplay written by Guillermo Arriaga.
 It stars Sean Penn, Naomi Watts, Charlotte Gainsbourg, Danny Huston and Benicio Del Toro.
The Burning Plain is a 2008 drama film directed and written by Guillermo Arriaga, the screenwriter of "Amores perros" (2000), "21 Grams" (2003), and "Babel" (2006).
 The film stars Charlize Theron, Jennifer Lawrence, Kim Basinger and Joaquim de Almeida.
 In Arriaga's directorial debut, he films a story that has multipart story strands woven together as in his previous screenplays.
 Filming of "The Burning Plain" began in New Mexico in November 2007, and the film was released in late 2008 in various festivals, before a limited theatrical release in 2009.
Gerry is a 2002 American drama film directed by Gus Van Sant and starring Matt Damon and Casey Affleck, who also co-wrote the film with Van Sant.
 It is the first film of Van Sant's "Death Trilogy", three films based on deaths that occurred in real life, and is succeeded by "Elephant" (2003) and "Last Days" (2005).
The 21 grams experiment refers to a scientific study published in 1907 by Duncan MacDougall, a physician from Haverhill, Massachusetts.
 MacDougall hypothesized that souls have physical weight, and attempted to measure the mass lost by a human when the soul departed the body.
 MacDougall attempted to measure the mass change of six patients at the moment of death.
 One of the six subjects lost three-fourths of an ounce (21.3 grams).
Amores perros is a 2000 Mexican drama thriller film directed by Alejandro González Iñárritu and written by Guillermo Arriaga.
 "Amores perros" is the first installment in González Iñárritu's "Trilogy of Death", succeeded by "21 Grams" and "Babel".
 It is an anthology film constructed as a triptych: it contains three distinct stories connected by a car accident in Mexico City.
 The stories centre on a teenager in the slums who gets involved in dogfighting; a model who seriously injures her leg; and a mysterious hitman.
 The stories are linked in various ways, including the presence of dogs in each of them.