Question: The 3rd book by Dan Brown that features character Robert Langdon is set in what city?

full_context: Document 1: The Da Vinci Code in the Philippines: "The Da Vinci Code" is a 2006 American mystery-thriller film directed by Ron Howard. The screenplay was written by Akiva Goldsman and based on Dan Brown's worldwide bestselling 2003 novel, "The Da Vinci Code". It was produced by Howard with John Calley and Brian Grazer and released by Columbia Pictures in the United States on May 19, 2006.
Document 2: Robert Langdon (book series): Robert Langdon is a fictional protagonist of a series of novels, novellas and short stories by American author Dan Brown. A Harvard University professor of religious iconology and symbology (a fictional field related to the study of historic symbols, which is not methodologically connected to the actual discipline of semiotics). Brown's novels that feature the lead character Robert Langdon also include historical themes and Christianity as motifs, and as a result, have generated controversy. Brown states on his website that his books are not anti-Christian, though he is on a 'constant spiritual journey' himself, and says that his book "The Da Vinci Code" is simply "an entertaining story that promotes spiritual discussion and debate" and suggests that the book may be used "as a positive catalyst for introspection and exploration of our faith."
Document 3: The Da Vinci Code (film): The Da Vinci Code is a 2006 American mystery thriller film directed by Ron Howard, written by Akiva Goldsman, and based on Dan Brown's 2003 best-selling novel of the same name. The first in the "Robert Langdon" film series, the film stars Tom Hanks, Audrey Tautou, Sir Ian McKellen, Alfred Molina, Jürgen Prochnow, Jean Reno, and Paul Bettany. In the film, Robert Langdon, a professor of religious iconography and symbology from Harvard University, is the prime suspect in the grisly and unusual murder of Louvre curator Jacques Saunière. In the body, the police find a disconcerting cipher and start an investigation. A noted British Grail historian named Sir Leigh Teabing tells them that the actual Holy Grail is explicitly encoded in Leonardo da Vinci's wall painting, "The Last Supper". Also searching for the Grail is a secret cabal within Opus Dei, an actual prelature of the Holy See, who wishes to keep the true Grail a secret; the revelation of this secret would certainly destroy Christianity.
Document 4: Origin (Robert Langdon novel): Origin is an upcoming 2017 mystery thriller novel by American author Dan Brown and the fifth installment in his Robert Langdon series, following "Angels & Demons", "The Da Vinci Code", "The Lost Symbol", and "Inferno". The book will be released on October 3, 2017 by Doubleday.
Document 5: The Bourne Identity (novel): The Bourne Identity is a 1980 spy fiction thriller by Robert Ludlum that tells the story of Jason Bourne, a man with remarkable survival abilities who suffers from retrograde amnesia, and must seek to discover his true identity. In the process, he must also reason out why several shadowy groups, a professional assassin, and the CIA want him dead. The story takes readers on an action-packed journey into a world of deceptions and conspiracies, offering a psychological portrait of Bourne, and giving them the chance to experience from his point of view the life-or-death decisions he makes as he seeks to piece together the dangerous puzzle of his missing past. It is the first novel of the original Bourne Trilogy, which also includes "The Bourne Supremacy" and "The Bourne Ultimatum".
Document 6: The Lost Symbol: The Lost Symbol is a 2009 novel written by American writer Dan Brown. It is a thriller set in Washington, D.C., after the events of "The Da Vinci Code", and relies on Freemasonry for both its recurring theme and its major characters.
Document 7: Inferno (Dan Brown novel): Inferno is a 2013 mystery thriller novel by American author Dan Brown and the fourth book in his Robert Langdon series, following "Angels & Demons", "The Da Vinci Code" and "The Lost Symbol". The book was published on May 14, 2013, ten years after publication of "The Da Vinci Code" (2003), by Doubleday. It was number one on the "New York Times" Best Seller list for hardcover fiction and Combined Print & E-book fiction for the first eleven weeks of its release, and also remained on the list of E-book fiction for the first seventeen weeks of its release. A film adaptation was released in the United States on October 28, 2016.
Document 8: The Secret Series: The Secret Series is a series of 'secret'-themed adventure novels written by Pseudonymous Bosch, who is suspected to be Raphael Simon. The series centers on three middle school children, Cass, Max-Ernest, and Yo-Yoji, and their adventures as members of the Terces Society ("secret society" spelled backwards), a group that keeps a mysterious Secret from being found out or stolen by the Midnight Sun society. One of the subplots of the series is the alchemists of the Midnight Sun searching for the secret to immortality, and the Terces Society's plans to stop them.
Document 9: The Defector (novel): The Defector is a 2009 spy novel by Daniel Silva. It spent four weeks as a New York Times Bestseller, reaching the list's top spot. . It's the 9th book in the Gabriel Allon series. Released July 21, 2009, the cover depicts the Houses of Parliament and Big Ben in London The cover of the paperback printing by Signet (July 2010) depicts St. Basil's Cathedral in Moscow.
Document 10: Robert Langdon: Professor Robert Langdon is a fictional character created by author Dan Brown for his "Robert Langdon" book series: "Angels & Demons" (2000), "The Da Vinci Code" (2003), "The Lost Symbol" (2009), and "Inferno" (2013). His newest novel "Origin" is going to be published on October 3, 2017. He is a Harvard University professor of religious iconology and symbology (a fictional field related to the study of historic symbols, which is not methodologically connected to the actual discipline of semiotics).
Document 11: Angels &amp; Demons: Angels & Demons is a 2000 bestselling mystery-thriller novel written by American author Dan Brown and published by Pocket Books and then by Corgi Books. The novel introduces the character Robert Langdon, who recurs as the protagonist of Brown's subsequent novels. "Angels & Demons" shares many stylistic literary elements with its sequel, such as conspiracies of secret societies, a single-day time frame, and the Catholic Church. Ancient history, architecture, and symbology are also heavily referenced throughout the book. A film adaptation was released on May 15, 2009. "The Da Vinci Code" film had been released in 2006.
Document 12: The 39 Clues: The 39 Clues is a series of adventure novels written by a collaboration of authors, including Rick Riordan, Gordon Korman, Peter Lerangis, Jude Watson, Patrick Carman, Linda Sue Park, Margaret Peterson Haddix, Roland Smith, David Baldacci, Jeff Hirsch, Natalie Standiford, C. Alexander London, Sarwat Chadda and Jenny Goebel. It consists of five series, "The Clue Hunt", "Cahills vs. Vespers", "Unstoppable", "Doublecross", and recently released, "Superspecial". They chronicle the adventures of two siblings, Amy and Dan Cahill, who discover that their family, the Cahills, has been the most influential family in history. The first story arc concerns Dan and Amy's quest to find the 39 Clues, which are ingredients to a serum that can create the most powerful person on Earth. This series' primary audience is age 8–12. Since the release of the first novel, "The Maze of Bones", on September 9, 2008, the books have gained popularity, positive reception, and commercial success. s of 2010 , the book series has about 8.5 million copies in print and has been translated into 24 languages. The publisher of the books is Scholastic Press in the United States. Steven Spielberg acquired film rights to the series in June 2008, and a film based on the books was set to be released in 2016 but production has not yet started as of August 2017. The series also originated tie-in merchandise, including collectible cards and an interactive Internet game.
Document 13: Cryptonomicon: Cryptonomicon is a 1999 novel by American author Neal Stephenson, set in two different time periods. One group of characters are World War II-era Allied codebreakers and tactical-deception operatives affiliated with the Government Code and Cypher School at Bletchley Park (UK), and disillusioned Axis military and intelligence figures. The second narrative is set in the late 1990s, with characters that are (in part) descendants of those of the earlier time period, who employ cryptologic, telecom and computer technology to build an underground data haven in the fictional Sultanate of Kinakuta. Their goal is to facilitate anonymous Internet banking using electronic money and (later) digital gold currency, with a long-term objective to distribute Holocaust Education and Avoidance Pod (HEAP) media for instructing genocide-target populations on defensive warfare.
Document 14: Angels &amp; Demons (film): Angels & Demons is a 2009 American mystery thriller film directed by Ron Howard and written by Akiva Goldsman and David Koepp, based on Dan Brown's novel of the same name. It is the sequel to the 2006 film "The Da Vinci Code", also directed by Howard, and the second installment in the "Robert Langdon" film series. The novel was published first and "The Da Vinci Code" novel followed it. Filming took place in Rome, Italy, and the Sony Pictures Studios in Culver City, California. Tom Hanks reprises his role as Professor Robert Langdon. Producer Brian Grazer, composer Hans Zimmer and screenwriter Akiva Goldsman also return, with David Koepp coming on board to help the latter.
Document 15: The Da Vinci Code: The Da Vinci Code is a 2003 mystery-detective novel by Dan Brown. It follows symbologist Robert Langdon and cryptologist Sophie Neveu after a murder in the Louvre Museum in Paris, when they become involved in a battle between the Priory of Sion and Opus Dei over the possibility of Jesus Christ having been a companion to Mary Magdalene. The title of the novel refers, among other things, to the finding of the first murder victim in the Grand Gallery of the Louvre, naked and posed similar to Leonardo da Vinci's famous drawing, the "Vitruvian Man", with a cryptic message written beside his body and a pentacle drawn on his chest in his own blood.
ground_truth: Washington, D.C.