Question: Adam Valdez worked on the 2012 sci-fi film directed by whom?

full_context: Document 1: Avatar (2009 film): Avatar, marketed as James Cameron's Avatar, is a 2009 American epic science fiction film directed, written, produced, and co-edited by James Cameron, and starring Sam Worthington, Zoe Saldana, Stephen Lang, Michelle Rodriguez, and Sigourney Weaver. The film is set in the mid-22nd century, when humans are colonizing Pandora, a lush habitable moon of a gas giant in the Alpha Centauri star system, in order to mine the mineral unobtanium, a room-temperature superconductor. The expansion of the mining colony threatens the continued existence of a local tribe of Na'vi – a humanoid species indigenous to Pandora. The film's title refers to a genetically engineered Na'vi body with the mind of a remotely located human that is used to interact with the natives of Pandora.
Document 2: Andrew Adamson: Andrew Ralph Adamson, MNZM (born 1 December 1966) is a New Zealand film director, producer and screenwriter based mainly in Los Angeles, where he made the blockbuster animation films, "Shrek" and "Shrek 2" for which he received an Academy Award nomination. He was director, executive producer, and scriptwriter for the 2005 production of "". Shooting took place in New Zealand, primarily in and around Auckland, but also in South Island where much of Peter Jackson's "The Lord of the Rings" trilogy was filmed. He also worked on the movies "Batman Forever" and "Batman & Robin" as a visual effects supervisor.
Document 3: Journey 2: The Mysterious Island: Journey 2: The Mysterious Island is a 2012 American science fiction comedy adventure film directed by Brad Peyton and produced by Beau Flynn, Tripp Vinson and Charlotte Huggins. It is the sequel to "Journey to the Center of the Earth". Following the first film, the sequel is based on another Jules Verne novel, this time "The Mysterious Island". The film stars Dwayne "The Rock" Johnson, Michael Caine, Josh Hutcherson, Vanessa Hudgens, Luis Guzmán, and Kristin Davis. The story was written by Richard Outten, Brian Gunn and Mark Gunn, and the screenplay by Brian and Mark Gunn. "Journey 2: The Mysterious Island" was released in cinemas on February 10, 2012 by Warner Bros. Pictures, New Line Cinema and Walden Media to mixed reviews, but became a box office success with a worldwide gross of nearly $335 million, surpassing its predecessor. "Journey 2: The Mysterious Island" was released on DVD/Blu-ray on June 5, 2012.
Document 4: Andrew Stanton: Andrew Stanton (born December 3, 1965) is an American film director, screenwriter, producer and voice actor based at Pixar. His film work includes writing and directing Pixar's "A Bug's Life" (1998) (as co-director), "Finding Nemo" (2003), and "WALL-E" (2008), and the live-action film, Disney's "John Carter" (2012). He also co-wrote all three "Toy Story" films and "Monsters, Inc." (2001)
Document 5: Carey Villegas: Carey Villegas is a visual effects artist who was nominated at the 83rd Academy Awards in the category of Best Visual Effects, for the film "Alice in Wonderland". His nomination was shared with Sean Phillips, Ken Ralston and David Schaub. Also for Alice in Wonderland, Carey won the 2010 Golden Satellite Award for Best Visual Effects and was nominated for the British Academy Award (BAFTA), Critics Choice Award, Saturn Award, and the Visual Effects Society Award (VES) for "Outstanding Visual Effects in a Visual Effects Driven Motion Picture".
Document 6: Avatar (2009 film): Avatar, marketed as James Cameron's Avatar, is a 2009 American epic science fiction film directed, written, produced, and co-edited by James Cameron, and starring Sam Worthington, Zoe Saldana, Stephen Lang, Michelle Rodriguez, and Sigourney Weaver. The film is set in the mid-22nd century, when humans are colonizing Pandora, a lush habitable moon of a gas giant in the Alpha Centauri star system, in order to mine the mineral unobtanium, a room-temperature superconductor. The expansion of the mining colony threatens the continued existence of a local tribe of Na'vi – a humanoid species indigenous to Pandora. The film's title refers to a genetically engineered Na'vi body with the mind of a remotely located human that is used to interact with the natives of Pandora.
Document 7: Total Recall (2012 film): Total Recall is a 2012 American science-fiction action film directed by Len Wiseman. The screenplay by Kurt Wimmer and Mark Bomback was based on the 1990 film of the same name, which was inspired by the 1966 short story "We Can Remember It for You Wholesale" by Philip K. Dick. The film stars Colin Farrell, Kate Beckinsale, Jessica Biel, Bryan Cranston, Bokeem Woodbine, John Cho, and Bill Nighy. Unlike the first film, the setting is on a dystopian Earth, not Mars and has more political themes. The film blends American and Asian influences, notably in the settings and dominant populations of the two nation-states in the story: the United Federation of Britain (Western Europe) and the Colony (Australia).
Document 8: The Martian (film): The Martian is a 2015 science fiction film directed by Ridley Scott and based on Andy Weir's 2011 novel of the same name. Matt Damon stars as an astronaut who is mistakenly presumed dead and left behind on Mars. The film depicts his struggle to survive and others' efforts to rescue him. The film's ensemble cast also features Jessica Chastain, Kristen Wiig, Jeff Daniels, Michael Peña, Kate Mara, Sean Bean, Sebastian Stan, Donald Glover, Aksel Hennie and Chiwetel Ejiofor.
Document 9: Cowboys &amp; Aliens: Cowboys & Aliens is a 2011 American science fiction Western film directed by Jon Favreau and starring Daniel Craig, Harrison Ford, and Olivia Wilde. The film is based on the 2006 graphic novel of the same name created by Scott Mitchell Rosenberg. The plot revolves around an amnesiac outlaw (Craig), a wealthy cattleman (Ford), and a mysterious traveler (Wilde) who must ally to save a group of townspeople abducted by aliens. The screenplay was written by Roberto Orci, Alex Kurtzman, Damon Lindelof, Mark Fergus and Hawk Ostby, based on a screen story by the latter two along with Steve Oedekerk. The film was produced by Brian Grazer, Ron Howard, Kurtzman, Orci and Rosenberg, with Steven Spielberg and Favreau serving as executive producers.
Document 10: Visual effects supervisor: In the context of film and television production, a visual effects supervisor is responsible for achieving the creative aims of the director and/or producers through the use of visual effects. While it is a creative role, most supervisors possess a strong technical background and are capable of making informed decisions about the most efficient and effective technique to employ to solve the problem at hand. Often a supervisor will work in tandem with a visual effects producer and computer graphics supervisor.
Document 11: Paul Franklin (visual effects supervisor): Paul J. Franklin is an English visual effects supervisor who has worked with visual effects since the 1990s. He is known for his long-running working relationship with director Christopher Nolan which dates back to "Batman Begins" (2005). Franklin won the Academy Award for Best Visual Effects and the BAFTA Award for Best Special Visual Effects for "Inception" (2010), and won a second Academy Award for Best Visual Effects for "Interstellar" (2014). He shared the wins with Andrew Lockley, Peter Bebb, and Chris Corbould. Franklin has also been nominated for an Academy Award for "The Dark Knight" (2008). He was nominated for BAFTA Awards for "Batman Begins", "The Dark Knight" (2008), and "The Dark Knight Rises" (2012).
Document 12: Vincent Cirelli: Vincent Cirelli is a special effects supervisor. Known for his works at Luma Pictures as a visual effects supervisor in acclaimed films such as "" (2007), "No Country for Old Men" (2007), "The Midnight Meat Train" (2008), "" (2008), "Harry Potter and the Half-Blood Prince" (2009), "The Book of Eli" (2010), "" (2011), "" (2012), "Prometheus" (2012), "The Avengers" (2012), "Saving Mr. Banks" (2013), "Guardians of the Galaxy" (2014), "" (2015), "In the Heart of the Sea" (2015), "Deadpool" (2015) and "Doctor Strange" (2016), for which he received an Academy Award for Best Visual Effects nomination at the 89th Academy Awards.
Document 13: John Carter (film): John Carter is a 2012 American science fiction action film directed by Andrew Stanton from a screenplay written by Stanton, Mark Andrews, and Michael Chabon. The film was produced by Jim Morris, Colin Wilson, and Lindsey Collins, and is based on "A Princess of Mars", the first book in the "Barsoom" series of novels by Edgar Rice Burroughs. "John Carter" stars Taylor Kitsch in the title role, Lynn Collins, Samantha Morton, Mark Strong, Ciarán Hinds, Dominic West, James Purefoy, and Willem Dafoe. The film chronicles the first interplanetary adventure of John Carter and his attempts to mediate civil unrest amongst the warring kingdoms of Barsoom.
Document 14: Christopher Townsend: Christopher Townsend is a visual effects supervisor. He has worked in the visual effects industry for over 20 years. For over a decade, he was an artist and supervisor at Industrial Light and Magic, and in 2007 became a freelance visual effects supervisor. He worked on "Journey to the Center of the Earth", the first ever stereoscopic motion picture shot and released digitally, "Wolverine", "Ninja Assassin", "" and "". He was nominated for a BAFTA and an Academy Award for Best Visual Effects for his work on "Iron Man 3", oversaw nearly 3000 shots on "" and was the overall supervisor for "Guardians of the Galaxy Vol. 2". In 2015 he was given an Honorary Doctor of Arts degree by his alma mater, Coventry University.
Document 15: Adam Valdez: Adam Valdez is visual effects supervisor. Best known for his works on Oscar winning films "" (2001) and "" (2002) as an animation head, though did not get the nomination. Vadez worked as lead visual supervisor in acclaimed films such as "10,000 BC" (2008), "" (2008), "John Carter" (2012), "World War Z" (2013), "Maleficent" (2014), "The Jungle Book" (2016) for which he won the Academy Award for Best Visual Effects at 89th Academy Awards.
ground_truth: Andrew Stanton