Given the task definition and input, reply with output. In this task, you are given a set of context paragraph and some supporting facts to answer a question. Your task is to generate answer for given question based on set of context paragraphs and supporting facts.

Context_1 : Infamous Quests is an indie video game development company that produces point and click adventure games. It was founded in 2012 by Steven Alexander and Shawn Mills who previously founded Infamous Adventures, an amateur game development company that remade old Sierra Entertainment adventure games of the early 1990s. The two chose to form Infamous Quests in order to separate it from their free fan-remake development company and in 2012 they announced "Quest for Infamy", an adventure RPG made with Adventure Game Studio where the player assumes the role of the morally gray William Roehm. The developers raised $63,281 on Kickstarter to produce "Quest For Infamy", and in June 2014 the game made Time Magazine's "20 Video Games To Watch for Summer 2014" list. Context_2 : Jon MacLellan is an English computer game level designer. He is best known for his time while working in England for Epic Games' sales, webmaster and technical support office where he was an active part of the game communities surrounding the game studio's games Jazz Jackrabbit 2, and Unreal. He is also credited as a level designer for the titles Jazz Jackrabbit 2, , and . Context_3 : Sanzaru Games is an American video game development company founded in 2007 in California. Their first game was Ninja Reflex, released on March 1, 2008 for PC, Nintendo DS and Wii. Their second game was a port of the High Impact Games developed PlayStation Portable game "Secret Agent Clank", released on May 26, 2009 for PlayStation 2. Their third game was a high definition remastered collection of the "Sly Cooper" games originally developed by Sucker Punch Productions for the PlayStation 2, titled "The Sly Collection" and released on November 9, 2010 for PlayStation 3. Their fourth game was "", which they assisted in development with Big Fish Games on, was released on June 27, 2011 for Wii. Their fifth game is "", which was set to be released late 2012, but was delayed to February 2013. The company name is based on the three wise monkeys (called sanzaru in Japan). Context_4 : Incognito Entertainment (originally Incog Inc.) was an American video game development company founded in May 1999 and is the developer of titles such as "Twisted Metal" and "Warhawk". The team was formed by former employees of SingleTrac, it was based in Salt Lake City and was part of Santa Monica Studio. The company was run by President and principal founder Scott Campbell, with longtime SingleTrac/Incog collaborator David Jaffe occasionally working as Producer or Designer at SCEA for the team's productions. Context_5 : Heuristic Park, Inc. is an American video game development company founded in 1995 by David W. Bradley. The company is based in Atlanta, Georgia. It was founded after Bradley left Sir-Tech. Context_6 : Epic Games, Inc. (formerly Potomac Computer Systems and later Epic MegaGames, Inc.) is an American video game development company based in Cary, North Carolina, partially owned by Tencent. Founded in 1991, it is best known for the development of Unreal Engine technology, which has powered its in-house "Unreal", "Gears of War" and "Infinity Blade" series as well as many other games, and has been awarded by Guinness World Records as the "most successful video game engine". Context_7 : Night Dive Studios, LLC (stylized as Nightdive Studios) is an American video game development company that was founded in November 2012 by video game artist Stephen Kick (formerly of Sony Online Entertainment) in Vancouver, Washington. Now based in Portland, Oregon, the company is best known for obtaining rights to classic video games that are no longer available, updating them for compatibility with modern platforms, and re-releasing them into digital distribution. Context_8 : Paradigm Entertainment (previously part of Paradigm Simulation) was an American video game development company. Paradigm is perhaps best known for its vehicle simulation games. Founded as a 3D computer graphics company in 1990, Paradigm primarily worked on realistic flight simulation technology for major space and aviation clients. The company got its start in game development when it was contacted by Nintendo in 1994 to aid in the creation of one of the Nintendo 64's launch titles, "Pilotwings 64". The game was a critical and commercial success for the developer, causing the simulation and entertainment divisions of Paradigm to separate and focus on their respective products. The newly independent Paradigm Entertainment continued to develop for Nintendo's 64-bit console. After a short partnership with Video System, Paradigm was acquired as a wholly owned subsidiary of Infogrames in 2000 and began developing games for sixth-generation video game consoles. Paradigm was sold to THQ in 2006 and was ultimately closed in 2008. Context_9 : Magic Pixel Games is an American video game development company founded by key members of the Boom Blox team from Electronic Arts' Los Angeles studio. Context_10 : Derek K. Smart is an American video game designer. He is the president and lead developer of 3000AD, Inc., an indie game development company based in Aventura, FL. In addition he is the president of and investor in the video game development company Quest Online. Smart is an independent video game designer and software developer, and the creator of several video game series. fact_1 : Jon MacLellan is an English computer game level designer. fact_2 : He is best known for his time while working in England for Epic Games' sales, webmaster and technical support office where he was an active part of the game communities surrounding the game studio's games Jazz Jackrabbit 2, and Unreal. fact_3 : Epic Games, Inc. (formerly Potomac Computer Systems and later Epic MegaGames, Inc.) is an American video game development company based in Cary, North Carolina, partially owned by Tencent. fact_4 : Founded in 1991, it is best known for the development of Unreal Engine technology, which has powered its in-house "Unreal", "Gears of War" and "Infinity Blade" series as well as many other games, and has been awarded by Guinness World Records as the "most successful video game engine". Question: Jon MacLellan is best known for his time while working for an American video game development company founded in what year?
1991