Question: Which movie starring Eugene M. Davis was the first film to be produced from one of Hubert Selby Jr.'s original screenplays?

Context paragraphs:
Fear X: Fear X is a 2003 psychological thriller film directed by Nicolas Winding Refn.  The first film to be produced from one of Hubert Selby Jr.'s original screenplays, its eventual box-office failure would force Refn's film company "Jang Go Star" into bankruptcy.  Refn's financial recovery was documented in the 2006 documentary The Gambler.

Jimmy McDonough: Jimmy McDonough is a biographer and journalist.  He is perhaps best known for his biographies of Russ Meyer, Andy Milligan and Neil Young.  He is noted by critics for his remarkably exhaustive accounts and for his tendency to avoid romanticizing his subjects' lives.  For this reason, he was described by "The Times" as "a literary Terminator". " Time"' s Richard Corliss declared his first published work "The Ghastly One" "a masterpiece" and John Waters has repeatedly named it one of his favorite books(this was actually McDonough's second effort; the first, "Shakey: The Biography of Neil Young," had been held up by a lawsuit over the claim that Young had tried to prevent publication).  Other reviewers decry the inclusion of his personal experience/reactions often found in his books as a sort of biographical treason.  In addition to the aforementioned biographies, McDonough has authored profiles on Jimmy Scott, Gary Stewart, Hubert Selby, Jr., the Ormond family and Link Wray, and over the span of his career he has written for a number of publications including: "The Village Voice", "Film Comment", and "Variety".

Last Exit to Brooklyn (film): Last Exit to Brooklyn is a 1989 German-British drama film directed by Uli Edel and adapted by Desmond Nakano from Hubert Selby Jr.'s novel of the same name.

Chicanery (album): Chicanery is the debut album of the group Chicanery, a collaboration between Warren Cuccurullo (Frank Zappa, Missing Persons, and Duran Duran); and Neil Carlill (Delicatessen and Lodger).  The album was released simultaneously in North America, and Europe on May 11, 2010.  "Chicanery" was made available in CD and digital formats in America, and in digital format initially in Europe.  The debut single,"Hubert Selby Song", that draws from the life and works of American writer Hubert Selby Jr., was released, along with "Gold Pavilions" as an extra track, on iTunes on April 27, 2010.

Hubert Selby Jr.: It/ll Be Better Tomorrow: Hubert Selby Jr.: It/ll Be Better Tomorrow is a 2005 documentary film about writer Hubert Selby Jr.

Blue Eyes and Exit Wounds: Blue Eyes and Exit Wounds is a spoken word/poetry album by Nick Tosches and Hubert Selby Jr.

Last Exit to Brooklyn (disambiguation): Last Exit to Brooklyn is the name of a 1964 novel by Hubert Selby Jr.

Requiem for a Dream: Requiem for a Dream is a 2000 American psychological drama film directed by Darren Aronofsky and starring Ellen Burstyn, Jared Leto, Jennifer Connelly, and Marlon Wayans.  The film is based on the novel of the same name by Hubert Selby, Jr., with whom Aronofsky wrote the screenplay.

Eugene M. Davis: Eugene M. "Gene" Davis is an American actor known for playing the psychotic killer Warren Stacy in the 1983 film "10 to Midnight" with Charles Bronson; he also played a killer in another Bronson vehicle, 1988's "Messenger of Death".  Other credits include the psychological thriller "Fear X" (2003) and a role as a cross-dressing police informant in the Al Pacino movie "Cruising" (1980).

The Demon (novel): The Demon is the third novel by Hubert Selby, Jr., first published in 1976.

Supporting paragraphs: Eugene M. Davis Fear X
Answer: Fear X