Question: Jack is a 2015 Austrian thriller film about a serial killer that died in what year?

Context paragraphs:
Sun Hill Serial Killer: The Sun Hill Serial Killer was a major storyline from ITV's cop show "The Bill".  Known originally as the "River Murders", the storyline spanned several months in 2002 and served as the exit for popular cast regular Cass Rickman (played by Suzanne Maddock).  It was the first of several serial killer storylines from the show.  Events came to a head in the New Year of 2003, when Acting DI Samantha Nixon discovers the truth and is taken hostage by the serial killer, before a final confrontation in which she is overpowered by DC Duncan Lennox, charged and thrown into the cells at Sun Hill Station.

Raman Raghav 2.0: Raman Raghav 2.0 is a 2016 Indian neo noir psychological thriller film directed by Anurag Kashyap.  Nawazuddin Siddiqui plays the role of Ramanna, a psychopathic serial killer inspired by a serial killer who operated in Mumbai during the mid-1960s named Raman Raghav.  Vicky Kaushal plays Raghavan, a cop assigned to investigate the serial killings.  The film premiered at the Cannes Directors’ Fortnight to a positive critical reception, raising hopes of a good showing at the box office.  It was released on 24 June 2016.

The House That Jack Built (2018 film): The House That Jack Built is an upcoming psychological horror thriller film written and directed by Lars von Trier, starring Matt Dillon in the title role of Jack.  The story follows Jack, a serial killer, over the course of 12 years in the 1970s and 1980s in the US state of Washington.  Von Trier has described the film as celebrating "the idea that life is evil and soulless."

Hannah (1997 film): Hannah is a 1997 Austrian thriller film directed by Reinhard Schwabenitzky.  The film was selected as the Austrian entry for the Best Foreign Language Film at the 69th Academy Awards, but was not accepted as a nominee.

Jack Unterweger: Johann "Jack" Unterweger (16 August 195029 June 1994) was an Austrian serial killer who murdered prostitutes in several countries.  First convicted of a 1974 murder, he was released in 1990 as an example of rehabilitation.  He became a journalist and minor celebrity, but within months started killing again.  He committed suicide following a conviction for several murders.  Austrian psychiatrist Dr. Reinhard Haller diagnosed him with narcissistic personality disorder in 1994.

Play the Game (2015 film): Play The Game!  is a 2015 Austrian mystery thriller film portraying a series of events which take place in the context of a real-life game.  It was written and directed by Jörg Helbig.  The film uses elements of film noir and psychological thriller.  It opened in Austria on June 16, 2015.

Solace (2015 film): Solace is a 2015 American mystery thriller film directed by Afonso Poyart and starring Anthony Hopkins, Colin Farrell, Jeffrey Dean Morgan and Abbie Cornish.  The film's script was originally planned and developed as a sequel to the 1995 thriller film "Se7en", but the idea was eventually scrapped, and "Solace" was completed instead.  The film was released on December 16, 2016, by Lionsgate Premiere.  The film is about a psychic doctor, John Clancy (Anthony Hopkins), who works with an FBI special agent (Jeffrey Dean Morgan) in search of serial killer Charles Ambrose (Colin Farrell).

Charles Cullen: Charles Edmund Cullen (born February 22, 1960) is a former nurse who is the most prolific serial killer in New Jersey history and is suspected to be the most prolific serial killer in American history.  He confessed to authorities that he killed up to 40 patients during the course of his 16-year nursing career.  But in subsequent interviews with police, psychiatric professionals, and journalists Charles Graeber and Steve Kroft, it became clear that he had killed many more, whom he could not specifically remember by name, though he could often remember details of their case.  Experts have estimated that Charles Cullen may ultimately be responsible for 400 deaths, which would make him the most prolific serial killer in American history.

Henry: Portrait of a Serial Killer: Henry: Portrait of a Serial Killer is a 1986 American psychological horror crime film directed and co-written by John McNaughton about the random crime spree of a serial killer who seemingly operates with impunity.  It stars Michael Rooker as the nomadic killer Henry, Tom Towles as Otis, a prison buddy with whom Henry is living, and Tracy Arnold as Becky, Otis's sister.  The characters of Henry and Otis are loosely based on real life serial killers Henry Lee Lucas and Ottis Toole.

Jack (2015 film): Jack is a 2015 Austrian thriller film about serial killer Jack Unterweger, directed by Elisabeth Scharang.  It was screened in the Contemporary World Cinema section of the 2015 Toronto International Film Festival.

Supporting paragraphs: Jack (2015 film) Jack Unterweger
Answer: 1994