Question: What prize was won by a novel whose film adaptation starred an actor as Walter Cunningham?

Context articles: Sheldon Cohen (artist)
Christine (novel)
Crahan Denton
Nagai Yume
The Seeker (film)
Windmills of the Gods (miniseries)
Don Q, Son of Zorro
To Kill a Mockingbird
Minority Report (TV series)
The War Against the Assholes

Sheldon Cohen (born 1949) is a Montreal-based animator and children's book illustrator whose film animation work includes the National Film Board of Canada (NFB) productions "The Sweater", a 1980 film adaptation of Roch Carrier's classic short story, the 2002 work "I Want a Dog", based on the children's book of the same title by Dayal Kaur Khalsa and "My Heart Attack" (2015).
Christine is a horror novel written by Stephen King, published in 1983.
 It tells the story of a vintage automobile apparently possessed by supernatural forces.
 A film adaptation, directed by John Carpenter, was released in the same year; this adaptation starred Keith Gordon, John Stockwell, Alexandra Paul and Harry Dean Stanton.
 In April 2013, PS Publishing released "Christine" in a limited 30th Anniversary Edition.
Crahan Denton (born Arthur Denton, March 20, 1914 – December 4, 1966) (pronunciation: "kran") was an American stage and television actor.
 One of his most famous film roles was in "To Kill A Mockingbird" where he portrays "Walter Cunningham," a client of the main character, Atticus Finch, and the leader of a mob which attempts to lynch another of Finch's clients.
Nagai Yume (長い夢 , lit.
 "Long Dream") is a short story by manga author Junji Ito, originally included in "The Junji Ito Horror Comic Collection".
 A one-hour Japanese television drama adaptation was broadcast in 2000.
 The adaptation was directed by Higuchinsky, whose film adaptation of Ito's Uzumaki had been released earlier the same year.
The Seeker (also known as The Seeker: The Dark Is Rising) is a 2007 American family drama-fantasy film adaptation of the second book in the five-book young adult fantasy series "The Dark Is Rising" by Susan Cooper.
 The film is directed by David L. Cunningham and stars Ian McShane, Alexander Ludwig, Frances Conroy, Gregory Smith, and Christopher Eccleston as the Rider.
 "The Seeker" is the first film to be produced by 20th Century Fox and Walden Media as part of their Fox-Walden partnership.
 On his 14th birthday Will Stanton (Ludwig) finds out that he is the last of a group of warriors – "The Light" – who have spent their lives fighting against evil – "The Dark".
 Will travels through time to track down the signs that will enable him to confront the evil forces.
 The Dark is personified by The Rider (Eccleston).
 This film adaptation drew strong negative reaction from fans of the book series for its disregard of the source material.
Windmills of the Gods is a 1988 American two-part television miniseries directed by Lee Philips and starring Jaclyn Smith and Robert Wagner.
 It is based on the novel of the same name written by Sidney Sheldon, who also served as executive producer.
 It was broadcast in two parts by CBS on February 7, 1988 and February 9, 1988.
 It was the fifth miniseries based on a Sheldon's book, and the third adaptation starred by Jaclyn Smith.
Don Q, Son of Zorro is the 1925 sequel to the 1920 silent film "The Mark of Zorro".
 It was loosely based upon the 1909 novel "Don Q.'s Love Story", written by the mother-and-son duo Kate and Hesketh Hesketh-Prichard.
 The story was reworked in 1925 (after Hesketh Hesketh-Prichard's death) into a vehicle for the Johnston McCulley character Zorro.
 The film adaptation was made by screenwriters Jack Cunningham and Lotta Woods for United Artists studios.
 Douglas Fairbanks both produced the film and starred as its lead character.
 It was directed by Donald Crisp, who also played the villain Don Sebastian.
To Kill a Mockingbird is a novel by Harper Lee published in 1960.
 It was immediately successful, winning the Pulitzer Prize, and has become a classic of modern American literature.
 The plot and characters are loosely based on Lee's observations of her family, her neighbors and an event that occurred near her hometown of Monroeville, Alabama, in 1936, when she was 10 years old.
Minority Report is an American science-fiction crime drama television series that aired on Fox from September 21, to November 30, 2015.
 It was developed by Max Borenstein and it is a sequel adaptation to the 2002 film of the same name based on the 1956 science fiction short story "The Minority Report" by Philip K. Dick.
 It is produced by Amblin Television, Paramount Television (whose film studio co-owns the film via the pre-2005 DreamWorks library), and 20th Century Fox Television (whose film studio co-produced the film).
 It is the first Steven Spielberg–directed movie to be adapted for TV.
The War Against the Assholes is a 2015 science fiction and fantasy novel by author Sam Munson.
 Munson also penned The November Criminals, the novel whose film adaptation is scheduled to premiere in 2016 starring Ansel Elgort and Chloë Grace Moretz.