Question: What year saw the formation of the entity that owns the book publisher responsible for Line to Tomorrow?

full_context: Document 1: Tomorrow and Tomorrow & The Fairy Chessmen: Tomorrow and Tomorrow & The Fairy Chessmen is a 1951 collection of two science fiction novels by Lewis Padgett (pseudonym of Henry Kuttner and C. L. Moore). It was first published by Gnome Press in 1951 in an edition of 4,000 copies. Both the novels originally appeared in the magazine "Astounding". P. Schuyler Miller placed the stories "among the best of the kind [of] the van Vogtian tradition of ultra-involved mystification."
Document 2: 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 3: Ahead of Time: Ahead of Time is a collection of science fiction stories by American writer Henry Kuttner, first published in hardcover by Ballantine Books in 1953 (with a paperback edition shortly afterwards). A British hardcover appeared in 1954, with a paperback following in 1961. Paperback reissues of both the UK and US editions appeared in the mid-1960s. A French translation appeared in 1962, and an Italian translation in 1971.
Document 4: 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 5: Seekers of Tomorrow: Seekers of Tomorrow: Masters of Modern Science Fiction is a work of collective biography on the formative authors of the science fiction genre by Sam Moskowitz, first published in hardcover by the World Publishing Company in 1965. The first paperback edition was issued by Ballantine Books in October, 1967. A photographic reprint of the original edition was issued in both hardcover and trade paperback by Hyperion Press in 1974. Most of its chapters are revised versions of articles that initially appeared in the magazine "Amazing Stories" from 1961-1964.
Document 6: 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 7: 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 8: 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 9: 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 10: Tales of Tomorrow: Tales of Tomorrow is an American anthology science fiction series that was performed and broadcast live on ABC from 1951 to 1953. The series covered such stories as "Frankenstein", starring Lon Chaney, Jr., "20,000 Leagues Under the Sea" starring Thomas Mitchell as Captain Nemo, and many others featuring such performers as Boris Karloff, Brian Keith, Lee J. Cobb, Veronica Lake, Rod Steiger, Bruce Cabot, Franchot Tone, Gene Lockhart, Walter Abel, Cloris Leachman, Leslie Nielsen, and Paul Newman. The series had many similarities to the later "Twilight Zone" which also covered one of the same stories, "What You Need". In total it ran for eighty-five 30-minute episodes.
Document 11: 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 12: 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 13: Line to Tomorrow: Line to Tomorrow is a collection of science fiction and fantasy stories by American writers Henry Kuttner and C. L. Moore, published by Bantam Books in 1954. The book carried the byline of their joint pseudonym Lewis Padgett; the title is sometimes reported as "Line to Tomorrow and Other Stories of Fantasy and Science Fiction". Two of the stories were originally published under Kuttner's byline, but all are now generally considered joint efforts.
Document 14: 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 15: 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.
ground_truth: 2001
sub_queries: Who published Line to Tomorrow? Answer: Bantam Books
Bantam Books >> owned by Answer: Random House
Which year witnessed the formation of Random House ? Answer: 2001