Question: Which movie starring Denzel Washington is based on a 1980 novel by A. J. Quinnell?
Context: Fences is a 2016 American period drama film directed by and starring Denzel Washington and written by August Wilson, based on his Pulitzer Prize-winning play of the same name (Wilson died in 2005, but completed a screenplay before his death).  In addition to Washington, the film also stars Viola Davis, Stephen Henderson, Jovan Adepo, Russell Hornsby, Mykelti Williamson and Saniyya Sidney. "Feelin' Alright?" , also known as "Feeling Alright", is a song written by Dave Mason of the English rock band Traffic from their eponymous 1968 album "Traffic".  It was also released as a single, and it reached #123 on the US charts but failed to chart in the UK.  Joe Cocker performed another very famous version of the song.  Both Traffic's and Cocker's versions appeared in the 2012 movie "Flight", directed by Robert Zemeckis and starring Denzel Washington.  The song had also been featured in the 2000 film "Duets", sung by Huey Lewis. The Mighty Quinn is a 1989 thriller film starring Denzel Washington, Robert Townsend, James Fox, Mimi Rogers, M. Emmet Walsh, and Sheryl Lee Ralph.  The screenplay by Hampton Fancher is based on A. H. Z. Carr's 1971 novel "Finding Maubee".  In the film, Washington plays Xavier Quinn, a police chief who tries to help his childhood friend Maubee (Townsend) after he becomes a murder suspect. Man on Fire is a 2004 British-American crime thriller film directed by Tony Scott from a screenplay by Brian Helgeland, and based on the 1980 novel of the same name by A. J. Quinnell.  The novel had previously been adapted into a feature film in 1987.  In this film, Denzel Washington portrays John Creasy, a despondent, alcoholic former CIA operative/U.S. Marine Corps Force Reconnaissance officer-turned mercenary and bodyguard, who goes on a revenge rampage after his charge, nine-year-old Lupita "Pita" Ramos (Dakota Fanning), is abducted in Mexico City.  The supporting cast includes Christopher Walken, Radha Mitchell, Giancarlo Giannini, Marc Anthony, Rachel Ticotin and Mickey Rourke. A. J. Quinnell was the pen name of the English thriller novelist Philip Nicholson.  He is best known for his novel "Man on Fire", which has been adapted to film twice, most recently in 2004 featuring Denzel Washington. Aks ("The Reflection") is a 2001 Indian Hindi supernatural thriller film directed by Rakeysh Omprakash Mehra.  It is a bollywood adaption of Hollywod movie "Fallen"(1998) starring Denzel Washington.Although the film won critical acclaim, it failed to perform at the box office.  Amitabh Bachchan received his first Filmfare Critics Award for Best Actor for his performance. Man on Fire (Italian: Un uomo sotto tiro ) is a 1987 French-Italian action thriller film directed by Élie Chouraqui and starring Scott Glenn and Jade Malle.  It is based on the 1980 novel "Man on Fire" by A. J. Quinnell.  The rest of the cast includes Joe Pesci, Jonathan Pryce and a brief appearance by Danny Aiello as the Mafia don. Zeher (English: Poison) is a 2005 Indian mystery thriller directed by debutant Mohit Suri and produced by Mahesh Bhatt.  The film features Shamita Shetty, Emraan Hashmi, and Udita Goswami in the lead roles.  The film had only moderate success at the box office despite getting positive reviews from the critics.  It is an adaptation of Hollywood movie Out of Time Starring Denzel Washington and Eva Mendes. John Q. is a 2002 American crime film starring Denzel Washington and directed by Nick Cassavetes.  The film tells the story of John Quincy Archibald (Denzel Washington), a father and husband whose son is diagnosed with an enlarged heart and finds out he is unable to receive a transplant because HMO insurance will not cover it, before he decides to hold up the hospital and force them to do it. Courage Under Fire is a 1996 American war film directed by Edward Zwick, and starring Denzel Washington and Meg Ryan.  It is the second collaboration between Denzel Washington and director Edward Zwick.  The film was released in the United States on July 12, 1996.
Answer: Man on Fire