Question: When was the inception of the company that released Poptropica?

full_context: Document 1: Dork Diaries: Rachel Renée Russell said that this series was inspired by her own middle school experiences as well as those of her two daughters, Erin and Nikki. Her older daughter, Erin, helps with writing and her younger daughter, Nikki, helps with illustrations. Dork Diaries is published by Aladdin Paperbacks.
Document 2: Petpet Park: Petpet Park was a virtual pet website launched by Nickelodeon Kids & Family Virtual Worlds Group (formerly Neopets) in October 2008. The site is created by the Neopets team, the creators of Neopets and Monkey Quest. The game featured a new virtual world focused on Neopets' companions, Petpets. There were nine Petpets species in "Petpet Park" to choose from. Once chosen, users could help train them through games, activities and challenges and customise them and take them out to explore the park and meet friends.
Document 3: Abbey National: In September 2003, the bank rebranded as Abbey, and in November 2004, it became a wholly owned subsidiary of the Spanish Santander Group, with a rebrand following in February 2005. In January 2010, the savings business of Bradford & Bingley was combined with the bank, and Abbey National plc was renamed Santander UK plc. Prior to the takeover, Abbey National plc was a constituent of the FTSE 100 Index.
Document 4: Rosen Publishing: The Rosen Publishing Group is an American publisher for educational books for readers from ages pre-Kindergarten through grade 12. It was founded in 1950 under the name "Richards Rosen Press" and is located in New York City. The company changed its name in 1982.
Document 5: Diary of a Wimpy Kid (film series): Diary of a Wimpy Kid is a series of films based on the series of books, Diary of a Wimpy Kid by Jeff Kinney. The series consists of four films: Diary of a Wimpy Kid (2010), Diary of a Wimpy Kid: Rodrick Rules (2011), Diary of a Wimpy Kid: Dog Days (2012) and the latest fourth film Diary of a Wimpy Kid: The Long Haul (2017).
Document 6: Poptropica: Poptropica is an online role-playing game, developed in 2007 by Pearson Education's Family Education Network, and targeted towards children aged 6 to 15. "Poptropica" was primarily the creation of Jeff Kinney, the author of the "Diary of a Wimpy Kid" series. As of 2015, he remains at the company as the Creative Director.
Document 7: 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 8: Longman: Longman, also known as Pearson Longman, is a publishing company founded in London, England, in 1724 and is owned by Pearson PLC.
Document 9: Pearson Education: Pearson Education is a British-owned education publishing and assessment service to schools and corporations, as well for students directly. Pearson owns educational media brands including Addison–Wesley, Peachpit, Prentice Hall, eCollege, Longman, Scott Foresman, and others. Pearson is part of Pearson plc, which formerly owned the "Financial Times". It was created in July 1998 when Pearson plc purchased the education division of Simon & Schuster from Viacom and merged it with its own education division, Addison-Wesley Longman, to form Pearson Education. Pearson Education was rebranded to Pearson in 2011 and split into an International and a North American division.
Document 10: Diary of a Wimpy Kid: Diary of a Wimpy Kid Cover of the first edition of the book Author Jeff Kinney Original title Diary of a Wimpy Kid Illustrator Jeff Kinney Cover artist Jeff Kinney and Chad W. Beckerman Country United States Language English Series Diary of a Wimpy Kid Genre Comedy, Young adult fiction Publisher Amulet Books Publication date April 1, 2007 Media type Print (paperback, hardcover) Pages 221 ISBN 978 - 0 - 14 - 330383 - 1 Followed by Diary of a Wimpy Kid: Rodrick Rules
Document 11: Diary of a Wimpy Kid: Double Down: Diary of a Wimpy Kid: Double Down is the eleventh book in the Diary of a Wimpy Kid series by Jeff Kinney. The book was unveiled during the 2016 Diary of a Wimpy Kid Virtually Live Event. The book was published on November 1, 2016. The real book trailer was released on October 17, 2016.
Document 12: Diary of a Wimpy Kid: The Getaway: Diary of a Wimpy Kid: The Getaway is the twelfth book in the Diary of a Wimpy Kid series by Jeff Kinney. The book was unveiled during the 2017 Diary of a Wimpy Kid Virtually Live Event which was live streamed via YouTube as part of the 10th anniversary of the first book. The book is due to be published on November 7, 2017.
Document 13: Wiley-Blackwell: Wiley-Blackwell is the international scientific, technical, medical, and scholarly publishing business of John Wiley & Sons. It was formed by the merger of John Wiley's Global Scientific, Technical, and Medical business with Blackwell Publishing, after Wiley took over the latter in 2007.
Document 14: Diary of a Wimpy Kid: The Getaway: Diary of a Wimpy Kid: The Getaway is the twelfth book in the Diary of a Wimpy Kid series by Jeff Kinney. The book was unveiled during the 2017 Diary of a Wimpy Kid Virtually Live Event which was live streamed via YouTube as part of the 10th anniversary of the first book. The book was published and released on November 7, 2017.
Document 15: Lawyers' Edition: LexisNexis, by way of Reed Elsevier, acquired the rights to the "Lawyers' Edition", along with a number of other law publications and related assets, from The Thomson Corporation in January 1997. Thomson, in acquiring West Publishing, was required to divest itself of a large number of titles through a consent decree by the United States Department of Justice.
ground_truth: 1998
sub_queries: Who released Poptropica? Answer: Pearson Education
When was the inception of Pearson Education ? Answer: 1998