Question: Who directed Andrew Whitehurst's "Ex Machina"?
Context: Andrew Foster Altschul is an American fiction writer.  He is the author of the novels "Deus Ex Machina", which Michael Schaub, in his NPR review, called "brilliant... one of the best novels about American culture in years," and "Lady Lazarus", and his short fiction and essays have been published in "Esquire", "McSweeney's", "Ploughshares", "Fence", and "One Story".  His short story "Embarazada" was selected for "Best American Nonrequired Reading 2014" and his short story "A New Kind of Gravity" was anthologized in both "Best New American Voices 2006" and the "O.Henry Prize Stories 2007". Andrew Whitehurst is a British visual effects artist.  Best known for his works in "Troy" (2004), "Charlie and the Chocolate Factory" (2005), "Harry Potter and the Order of the Phoenix" (2007) and "Ex Machina" (2015). Ex Machina is a portion of the phrase "deus ex machina", meaning "god from the machine". Deus Ex Machina is the first full-length album from former Leaves' Eyes frontwoman Liv Kristine.  Unlike her follow-up, "Enter My Religion", she only co-wrote two songs: the title track and "In the Heart of Juliet".  The song "3 am" is a duet between Liv Kristine and Nick Holmes of Paradise Lost. Appleseed Ex Machina, also known as E.X. Machina (エクスマキナ , Ekusu Makina ) in the original version, is a 2007 Japanese animated CG science fiction film and is the sequel to the 2004 "Appleseed" film, similarly directed by Shinji Aramaki, and was produced by Hong Kong director and producer John Woo.  It was released on October 20, 2007, in Japan. Ex Machina (stylized as ex_machina or EX_MACHINA) is a 2015 independent science fiction psychological thriller film written and directed by Alex Garland (in his directorial debut) and stars Domhnall Gleeson, Oscar Isaac and Alicia Vikander.  The film follows a programmer who is invited by his CEO to administer the Turing test to an intelligent humanoid robot. "Deus Ex Machina" (from Latin, meaning "god from the machine") is the 19th episode of the first season of "Lost".  The episode was directed by Robert Mandel and written by Carlton Cuse and Damon Lindelof.  It first aired on March 30, 2005, on ABC.  The character of John Locke (Terry O'Quinn) is featured in the episode's flashbacks. Deus ex machina (] : or ; plural: "dei ex machina") is a Latin calque .  The term has evolved to mean a plot device whereby a seemingly unsolvable problem is suddenly and abruptly resolved by the inspired and unexpected intervention of some new event, character, ability or object.  Its function can be to resolve an otherwise irresolvable plot situation, to surprise the audience, to bring the tale to a happy ending, or act as a comedic device. Hard Truck: Apocalypse (Ex Machina) is a vehicular combat post-apocalyptic science fiction video game developed by Russian game developer Targem Games.  It is a Privateer-like game on vehicles instead of spaceships set in a post-apocalyptic Europe.  The player controls an armored truck and roams between settlements trading with locals, completing quests and fighting numerous enemies to upgrade his truck and acquire better weapons to progress through the main storyline. Briareos (Japanese: ブリアレオス , Hepburn: Buriareosu ) [Hecatonchires Cyborg System] (ヘカトンケイレス , Hekatonkeiresu ) is a character from Masamune Shirow's "Appleseed" manga and its adaptations in anime.  He is one of the two protagonists of the series, the other being Deunan Knute.  Briareos is a trained ESWAT officer, his point man is Deunan.  They met in her father's SWAT unit before World War III broke out.  Briareos and Deunan are lovers and have been involved since before the war.  Since moving to Olympus with Deunan, they have joined the ESWAT unit (Extra Special Weapons And Tactics).  He is named after Briareus the Vigorous, one of the Hecatonchires (hundred-armed giants) of Greek mythology.  In the Japanese media, he is voiced by Yoshisada Sakaguchi in the "Appleseed" OVA, Jūrōta Kosugi in the "Appleseed" film, and Kōichi Yamadera in "Appleseed Ex Machina".  He is voiced by Sean Barrett, Jamieson Price, and David Matranga in the English dubs of the respective productions.
Answer: Alex Garland