Question: What year was the book company that owns the publisher of Indiana Jones and the Philosopher's stone formed?

full_context: Document 1: Department store: The first department store in Spain was Almacenes el Siglo opened in October 1881 in Barcelona. Following the 2002 closure by the Australian group Partridges of their SEPU (Sociedad Española de Precios Unicos) department store chain, which was one of Spain's oldest, the market is now dominated by El Corte Inglés, founded in 1934 as a drapery store. El Corte Inglés stores tend to be vast buildings, selling a very broad range of products and the group also controls a number of other retail formats including supermarket chain 'Supercor' and hypermarket chain 'Hipercor'. Other competitors such as 'Simago' and 'Galerías Preciados' closed in the 1990s, however El Corte Inglés, faces major competition from French discount operators such as Carrefour and Auchan.
Document 2: W. W. Norton & Company: W.W. Norton & Company is an American publishing company based in New York City. It has been owned wholly by its employees since the early 1960s. The company is known for its ``Norton Anthologies ''(particularly The Norton Anthology of English Literature) and its texts in the Norton Critical Editions series, the latter of which are frequently assigned in university literature courses.
Document 3: Cemex: Lorenzo Zambrano was the chairman and chief executive officer until his death on May 21, 2014. About one-third of the company's sales come from its Mexico operations, a quarter from its plants in the U.S., 15% from Spain, and smaller percentages from its plants around the world.
Document 4: Nine Inches: Nine Inches is the eighth novel of the "Dan Starkey" series by Northern Irish author, Colin Bateman, released on 13 October 2011 through Headline Publishing Group. Fellow crime author, Ian Rankin, recognised the book in "The Scotsman" as one of his "books of the year" 2011. It was also listed by author Nick Quantrill as one of his "Top 5 Books of 2011".
Document 5: Miami: Several large companies are headquartered in or around Miami, including but not limited to: Akerman Senterfitt, Alienware, Arquitectonica, Arrow Air, Bacardi, Benihana, Brightstar Corporation, Burger King, Celebrity Cruises, Carnival Corporation, Carnival Cruise Lines, Crispin Porter + Bogusky, Duany Plater-Zyberk & Company, Espírito Santo Financial Group, Fizber.com, Greenberg Traurig, Holland & Knight, Inktel Direct, Interval International, Lennar, Navarro Discount Pharmacies, Norwegian Cruise Lines, Oceania Cruises, Perry Ellis International, RCTV International, Royal Caribbean Cruise Lines, Ryder Systems, Seabourn Cruise Line, Sedano's, Telefónica USA, UniMÁS, Telemundo, Univision, U.S. Century Bank, Vector Group and World Fuel Services. Because of its proximity to Latin America, Miami serves as the headquarters of Latin American operations for more than 1400 multinational corporations, including AIG, American Airlines, Cisco, Disney, Exxon, FedEx, Kraft Foods, LEO Pharma Americas, Microsoft, Yahoo, Oracle, SBC Communications, Sony, Symantec, Visa International, and Wal-Mart.
Document 6: Bantam Books: Bantam Books is an American publishing house owned entirely by parent company Random House, a subsidiary of Penguin Random House; it is an imprint of the Random House Publishing Group. It was formed in 1945 by Walter B. Pitkin, Jr., Sidney B. Kramer, and Ian and Betty Ballantine, with funding from Grosset & Dunlap and Curtis Publishing Company. It has since been purchased several times by companies including National General, Carl Lindner's American Financial and, most recently, Bertelsmann; it became part of Random House in 1998, when Bertelsmann purchased it to form Bantam Doubleday Dell. It began as a mass market publisher, mostly of reprints of hardcover books, with some original paperbacks as well. It expanded into both trade paperback and hardcover books, including original works, often reprinted in house as mass-market editions.
Document 7: Indiana Jones and the Seven Veils: Indiana Jones and the Seven Veils is the third of 12 Indiana Jones novels published by Bantam Books. Rob MacGregor, the author of this book, also wrote five of the other Indiana Jones books for Bantam. Published on November 1, 1991, it is preceded by "Indiana Jones and the Dance of the Giants" and followed by "Indiana Jones and the Genesis Deluge".
Document 8: Guinness World Records: Guinness Superlatives (later Guinness World Records) Limited was formed in 1954 to publish the first book. Sterling Publishing owned the rights to the Guinness book in the US for decades. The group was owned by Guinness PLC and subsequently Diageo until 2001, when it was purchased by Gullane Entertainment. Gullane was itself purchased by HIT Entertainment in 2002. In 2006, Apax Partners purchased HiT and subsequently sold Guinness World Records in early 2008 to the Jim Pattison Group, the parent company of Ripley Entertainment, which is licensed to operate Guinness World Records' Attractions. With offices in New York City and Tokyo, Guinness World Records' global headquarters remain in London, while its museum attractions are based at Ripley headquarters in Orlando, Florida, US.
Document 9: Random House: Penguin Random House Grupo Editorial is Random House's Spanish-language division, targeting markets in Spain and South and Central America. It is headquartered in Barcelona with locations in Argentina, Chile, Colombia, Mexico, Uruguay, and the United States. From 2001 until November 2012, it was a joint venture with Italian publisher Mondadori (Random House Mondadori). Upon Bertelsmann's acquisition of Mondadori's stake in the JV, the name was kept temporarily four months. Some authors published by Penguin Random House Grupo Editorial include Dr. César Lozano, Yordi Rosado, Dr. Nancy Alvarez and Alberto Sardiñas.
Document 10: Manning Publications: Manning Publications is an American publisher established by Lee Fitzpatrick and Marjan Bace that publishes books on computer technology topics, with a particular focus on web development. Their distinctive brand features illustrations from the 1805 edition of Sylvain Maréchal's four-volume compendium of regional dress customs on the covers of many of their books.
Document 11: Indiana Jones and the Philosopher's Stone: Indiana Jones and the Philosopher's Stone is the ninth of 12 Indiana Jones novels published by Bantam Books. Max McCoy, the author of this book, also wrote three of the other Indiana Jones books for Bantam. Published on April 1, 1995, it is preceded by "Indiana Jones and the White Witch" and followed by "Indiana Jones and the Dinosaur Eggs".
Document 12: Indiana Jones: Indiana Jones is an American media franchise based on the adventures of Dr. Henry Walton ``Indiana ''Jones, Jr., a fictional professor of archaeology. It began in 1981 with the film Raiders of the Lost Ark. A prequel, Indiana Jones and the Temple of Doom, followed in 1984, and a sequel, Indiana Jones and the Last Crusade, was released in 1989. A fourth film, Indiana Jones and the Kingdom of the Crystal Skull, was released in 2008, and was the last in the series to be distributed by Paramount Pictures. The series was created by George Lucas, and its films are directed by Steven Spielberg and star Harrison Ford as the title character. The Walt Disney Company has owned the Indiana Jones intellectual property since its acquisition of Lucasfilm, the series' production company, in 2012.
Document 13: Boston: The city's growing Latino population has given rise to a number of local and regional Spanish-language newspapers. These include El Planeta (owned by the former publisher of The Boston Phoenix), El Mundo, and La Semana. Siglo21, with its main offices in nearby Lawrence, is also widely distributed.
Document 14: Dover Publications: Dover Publications, also known as Dover Books, is an American book publisher founded in 1941 by Hayward Cirker and his wife, Blanche. It primarily publishes reissues, books no longer published by their original publishers. These are often, but not always, books in the public domain. The original published editions may be scarce or historically significant. Dover republishes these books, making them available at a significantly reduced cost.
Document 15: Indiana Jones and the Dance of the Giants: Indiana Jones and the Dance of the Giants is the second of 12 Indiana Jones novels published by Bantam Books. Rob MacGregor, the author of this book, also wrote five of the other Indiana Jones books for Bantam. Published on May 1, 1991, it is preceded by "Indiana Jones and the Peril at Delphi" and followed by "Indiana Jones and the Seven Veils".
ground_truth: 2001
sub_queries: Who was the publisher of Indiana Jones and the Philosopher's Stone? Answer: Bantam Books
Bantam Books >> owned by Answer: Random House
Which year witnessed the formation of Random House ? Answer: 2001