Question: Ty Simpkins appeared in horror film "Insidious", writtenby which Malaysian-Australian film director, screenwriter, and producer?

Context paragraphs:
Dale Stewart (filmmaker): Dale Stewart (born 30 March 1985) is a New Zealand film director, producer, editor and screenwriter, best known for his 2012 horror film "Compound".  He gained international recognition early in his career with his short horror short film, "Awakened", in 2008.

George P. Cosmatos: George Pan Cosmatos (4 January 1941 – 19 April 2005) was a Greco-Italian film director and screenwriter.  Following early success in his home country with drama films such as "Massacre in Rome" with Richard Burton (based on the real-life Ardeatine massacre), Cosmatos retooled his career towards mainstream 'blockbuster' action and adventure films, including "The Cassandra Crossing" and "Escape to Athena", both of which were British-Italian co-productions.  After relocating to North America, he directed the horror film "Of Unknown Origin".  This was followed by some of his best-known work, including the action films "" and "Cobra" (both of which star Sylvester Stallone), the science-fiction horror film "Leviathan", and the critically acclaimed Western "Tombstone".

James Wan: James Wan (born 27 February 1977) is a Malaysian-Australian film director, screenwriter, and producer.

Eugenio Martín: Eugenio Martín is a Spanish film director and screenwriter.  He was born in May 15, 1925 in Ceuta, an autonomous city of Spain located on the north coast of Africa.  He is best known for the low-budget genre films he made in the 1960s and 1970s, including "Bad Man's River", "The Bounty Killer", and "Horror Express", the latter being particularly notable for its inclusion of the well-known English actors Christopher Lee and Peter Cushing, famous for their work with Hammer Films.  Though never remarkably successful either at the box office or among critics, Martín's films, particularly "Horror Express", have achieved cult status.  The popular horror film magazine Fangoria included "Horror Express" in its book, "101 Best Horror Movies You've Never Seen: A Celebration of the World's Most Unheralded Fright Flicks".

Matt Reeves: Matthew George "Matt" Reeves (born April 27, 1966) is an American screenwriter, director and producer.  Reeves began his career as a screenwriter for the films "" (1995) and "The Pallbearer" (1996), the latter of which marked his feature-length directorial debut.  He then transitioned into television as a director and co-creator of the drama series "Felicity" (1998–2002) alongside J.J. Abrams.  Reeves has since directed the found-footage horror film "Cloverfield" (2008), the romantic horror film "Let Me In" (2010), and the science fiction sequels "Dawn of the Planet of the Apes" (2014) and "War for the Planet of the Apes" (2017).  In February 2017, Warner Bros. announced that Reeves would direct "The Batman", to be set in the DC Extended Universe starring Ben Affleck as the titular character.

Dario Argento: Dario Argento (] ; born 7 September 1940) is an Italian film director, producer, film critic and screenwriter.  He is best known for his work in the horror film genre during the 1970s and 1980s, particularly in the subgenre known as "giallo", and for his influence on modern horror movies.

Ty Simpkins: Ty Simpkins is an American teen actor.  His major film roles include "Iron Man 3" (2013), alongside James Wan's horror stories "Insidious" its sequel "", and "Jurassic World" (2015).  He appeared with his real life sister, Ryan Simpkins, in the films "Pride and Glory", "Revolutionary Road", and "Arcadia".

Christopher B. Landon: Christopher Beau Landon (born February 27, 1975) is an American film director, producer, and screenwriter best known as the writer of 2007 film "Disturbia", the last three "Paranormal Activity" films and as the son of late actor Michael Landon.  Landon wrote and made his first directorial debut on the satirical thriller "Burning Palms", which was released in 2010.  He wrote and directed the found footage horror film "", and directed and co-wrote the horror comedy film "Scouts Guide to the Zombie Apocalypse".

Alberto De Martino: Alberto De Martino (12 June 1929 – 2 June 2015) was an Italian film director and screenwriter.  Born in Rome, De Martino started as a child actor and later returned to the cinema where worked as a screenwriter, director and dubbing supervisor.  De Martino's films as a director specialised in wellcrafted knock-offs of Hollywood hit films.  These films were specifically created films in Western, horror and mythology genres which were developed for the international market. " The Telegraph" stated that his best known of these film was probably "The Antichrist".  "The Antichrist" capitalized on the box-office appeal of "The Exorcist" (1973) and in its first week in the United States earned a greater box office than "Jaws".  Horror film fans also remember him for "The Blancheville Monster", "Blood Link", "Formula for a Murder", "Medusa vs the Son of Hercules" and "Holocaust 2000".

Eli Roth: Eli Raphael Roth (born April 18, 1972) is an American film director, producer, writer, and actor.  As a director and producer, he is most closely associated with the horror genre, first coming to prominence by directing the 2005 film "Hostel" and its 2007 sequel, "".  As an actor, his most prominent role was as Donny "The Bear Jew" Donowitz in Quentin Tarantino's war film "Inglourious Basterds" for which he won both a SAG Award (Best Ensemble) and a BFCA Critic's Choice Award (Best Acting Ensemble).  Journalists have included him in a group of filmmakers dubbed the Splat Pack for their explicitly violent and bloody horror films.  In 2013, Roth received the Visionary Award for his contributions to horror, at the Stanley Film Festival.  His most recent directorial effort was the 2015 erotic horror film "Knock Knock".  His next project is the vigilante action film "Death Wish", a remake of the 1974 original.

Supporting paragraphs: Ty Simpkins James Wan
Answer: James Wan