Question: Who has a longer middle name, Isabel Colegate or Peter Benchley?

Context paragraphs:
Beast (Benchley novel): Beast is a 1991 novel by Peter Benchley, the author of "Jaws".

Jaws (film): Jaws is a 1975 American thriller film directed by Steven Spielberg and based on Peter Benchley's 1974 novel of the same name.  In the story, a giant man-eating great white shark attacks beachgoers on Amity Island, a fictional New England summer resort town, prompting the local police chief to hunt it with the help of a marine biologist and a professional shark hunter.  The film stars Roy Scheider as police chief Martin Brody, Robert Shaw as shark hunter Quint, Richard Dreyfuss as oceanographer Matt Hooper, Murray Hamilton as Larry Vaughn, the mayor of Amity Island, and Lorraine Gary as Brody's wife, Ellen.  The screenplay is credited to both Benchley, who wrote the first drafts, and actor-writer Carl Gottlieb, who rewrote the script during principal photography.

The Island (1980 film): The Island is a 1980 American action-adventure horror film, directed by Michael Ritchie and starring Michael Caine and David Warner.  The film was based on a novel of the same name by Peter Benchley who also wrote the screenplay.  It is about a savage group of pirates, made up of outcasts, thieves, and murderers, who are hidden from the outside world by an uncharted Caribbean island, and who've raided boats to sustain themselves, since the 18th century.

Jaws (novel): Jaws is a 1974 novel by American writer Peter Benchley.  It tells the story of a great white shark that preys upon a small resort town and the voyage of three men trying to kill it.  The novel grows out of Benchley's interest in shark attacks after he learned about the exploits of shark fisherman Frank Mundus in 1964.  Doubleday commissioned him to write the novel in 1971, a period when Benchley struggled as a freelance journalist.

Isabel Colegate: Isabel Diana Colegate (born 10 September 1931) is a British author and literary agent.

The Deep (1977 film): The Deep is a 1977 adventure film based on Peter Benchley's novel of the same name.  It was directed by Peter Yates, and stars Robert Shaw, Jacqueline Bisset and Nick Nolte.

Peter Benchley: Peter Bradford Benchley (May 8, 1940 – February 11, 2006) was an American author and screenwriter.  He is known for the bestselling novel "Jaws" and co-wrote its subsequent film adaptation with Carl Gottlieb.  Several more of his works were also adapted for cinema, including "The Deep", "The Island", "Beast", and "White Shark".

The Shooting Party (novel): The Shooting Party is the ninth novel by Isabel Colegate published in 1980 that won the 1981 WH Smith Literary Award.  It was adapted into a 1985 film "The Shooting Party".  It is published as part of the Penguin Books Modern Classic series.

Jaws (franchise): Jaws is an American natural horror film series that started with a 1975 film that expanded into three sequels, a theme park ride, and other tie-in merchandise, based on a 1974 novel.  The main subject of the saga is a great white shark, and its attacks on people in specific areas of the United States.  The Brody family is featured in all of the films as the primary antithesis to the shark.  The original film was based on a novel written by Peter Benchley, which itself was inspired by the Jersey Shore shark attacks of 1916.  Benchley adapted his novel, along with help from Carl Gottlieb and Howard Sackler, into the 1975 film "Jaws", which was directed by Steven Spielberg.  Although Gottlieb went on to pen two of the three sequels, neither Benchley nor Spielberg returned to the film series in any capacity.

The Shooting Party: The Shooting Party is a 1985 British drama film directed by Alan Bridges and based on the book of the same name by Isabel Colegate.  The film is set in 1913 and shows the way of life of English aristocrats, gathered for pheasant shooting and general self-indulgence.  Their way of life is contrasted with the local rural poor, who serve as 'beaters', driving the game for the aristocrats to shoot.  It was entered into the 14th Moscow International Film Festival.

Supporting paragraphs: Isabel Colegate Peter Benchley
Answer: Peter Bradford Benchley