Question: Did John Greyson or Alejandro Amenábar write or co-write the screenplays to all six of his movies?

Context articles: Agora (film)
John Greyson
Alejandro Amenábar
Indian ghost movie
Eduardo Noriega (Spanish actor)
Vanilla Sky
The Making of Monsters
Glenn Schellenberg
The Sea Inside
Guy Hendrix Dyas

Agora (Spanish: "Ágora" ) is a 2009 Spanish English-language historical drama film directed by Alejandro Amenábar and written by Amenábar and Mateo Gil.
 The biopic stars Rachel Weisz as Hypatia, a female mathematician, philosopher and astronomer in late 4th-century Roman Egypt, who investigates the flaws of the geocentric Ptolemaic system and the heliocentric model that challenges it.
 Surrounded by religious turmoil and social unrest, Hypatia struggles to save the knowledge of classical antiquity from destruction.
 Max Minghella co-stars as Davus, Hypatia's father's slave, and Oscar Isaac as Hypatia's student, and later prefect of Alexandria, Orestes.
John Greyson (born March 13, 1960) is a Canadian director, writer, video artist, producer and political activist, whose work frequently deals with gay themes.
 Greyson is also a professor at York University's film school, where he teaches film and video theory, film production and editing.
Alejandro Fernando Amenábar Cantos (born March 31, 1972), commonly known as Alejandro Amenábar, is a Spanish and Chilean film director, screenwriter and composer.
 Among other honors, he has won nine Goyas, two European Film Awards and an Oscar.
 He has written or co-written the screenplays to all six of his movies and composed almost all of the soundtracks.
Indian ghost movies are popular not just in India but in the Middle East, Africa, South East Asia and other parts of the world.
 Generally the movies are based on the experiences of modern people who are unexpectedly exposed to ghosts.
 Some Indian ghost movies, such as the comedy/horror film "Chandramukhi", have been great hits, dubbed into several languages.
 They usually draw on traditional Indian literature or folklore, but in some cases are remakes of Western movies, such as "Anjaane", based on Alejandro Amenábar's ghost story "The Others".
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Eduardo Noriega Gómez (] ; born 1 August 1973) is a Spanish film actor.
 He is perhaps best known for his roles in two of Alejandro Amenábar's films: the multiple Goya Award-winning "Tesis" (English: "Thesis" ) (1996) and "Open Your Eyes" (Spanish: 'Abre los Ojos' ) (1997).
 He also starred in "The Wolf" (Spanish: "El Lobo") (2004).
 In the United States, Noriega is probably best known for his role as Enrique in the political thriller "Vantage Point" (2008).
Vanilla Sky is a 2001 American science fiction psychological thriller film directed, written, and co-produced by Cameron Crowe.
 It is an English-language adaptation of Alejandro Amenábar's 1997 Spanish film "Open Your Eyes", which was written by Amenábar and Mateo Gil, with Penélope Cruz reprising her role from the original film.
 The film has been described as "an odd mixture of science fiction, romance and reality warp".
The Making of Monsters is a Canadian short film, directed by John Greyson and released in 1991.
 Made while Greyson was a student at the Canadian Film Centre, the film's premise is that Bertolt Brecht is alive and living in Toronto, and actively interfering with the production of a heavily sanitized movie of the week about the 1985 death of Kenneth Zeller in a gaybashing attack.
Glenn Schellenberg is a Canadian composer.
 He is a frequent collaborator of director John Greyson, having composed the music for three of Greyson's films.
 For one of these films, "Zero Patience", Schellenberg was nominated, along with Greyson, for a Genie Award for Best Original Song for the song "Just Like Scheherazade".
The Sea Inside (Spanish: "Mar adentro" ) is a 2004 Spanish drama film written, produced, directed, and scored by Alejandro Amenábar, which won the Academy Award for Best Foreign Language Film.
 It is based on the real-life story of Ramón Sampedro (played by Javier Bardem), who was left quadriplegic after a diving accident, and his 28-year campaign in support of euthanasia and the right to end his life.
Guy Hendrix Dyas (born 20 August 1968) is a British production designer for feature films.
 He collaborated with Christopher Nolan on his science fiction thriller "Inception" which earned him an Academy Award nomination as well as a BAFTA Award for Best Production Design.
 In 2017, Dyas was nominated for another Academy Award, this time for his work on Passengers.
 In 2010, Dyas became the first British designer to win a Goya Award for Best Production Design for his work on Alejandro Amenábar's historical epic "Agora" which premiered at the 2009 Cannes Film Festival.
 Dyas previously received three consecutive Art Directors Guild Award nominations for his production design work on Steven Spielberg's "Indiana Jones and the Kingdom of the Crystal Skull", Shekhar Kapur's "" and "Superman Returns" for Bryan Singer.
 He won an ADG award in 2011 for "Inception".
 He also earned a BAFTA Award nomination in 2007 for Best Production Design for "Elizabeth: The Golden Age" and for four years in a row Dyas has been named by "The Sunday Times" as one of the top ten Brits working behind the camera in Hollywood.