Question: Cortex System was developed for the role playing game released in what year?

full_context: Document 1: Blue Rose (role-playing game): Blue Rose is a fantasy role-playing game published by Green Ronin Publishing in 2005. The game is in the romantic fantasy genre—it is inspired by fantasy fiction such as that of Mercedes Lackey and Diane Duane as opposed to Robert E. Howard–style of swords and sorcery. In romantic fantasy the emphasis is on role-playing and character interaction more than on combat. The game uses a derivative of the D20 system, called True20. Blue Rose won the Gen Con ENWorld Roleplaying Silver Medal for Best Rules in 2005. Green Ronin subsequently released True20 as a separate system without a setting and genre neutral.
Document 2: Serenity Role Playing Game: Serenity Role Playing Game is a science fiction role-playing game released in 2005 and set in the universe of the movie "Serenity". It was produced by Margaret Weis Productions, Ltd, and its mechanics were the first iteration of the Cortex System. It won an Origins Award for best RPG in 2005 and Margaret Weis' license came to an end on January 31, 2011.
Document 3: CORE Command: CORE Command is a science fiction role-playing game published by Dream Pod 9 since 2003. It introduces a far future space opera universe for role-playing, featuring advanced science, gigantic spacecraft and epic space battles.
Document 4: Star Wars Roleplaying Game (Fantasy Flight Games): The Star Wars Roleplaying Game is a tabletop role-playing game set in the "Star Wars" universe first published by Fantasy Flight Games in August 2012. It consists of three different standalone games, each one conceived to play a particular type of character:
Document 5: D6 Space: D6 Space is a generic science fiction role-playing game (RPG) based on the "D6 System". Although derived, in part, from material originally presented in "The Star Wars Roleplaying Game", "D6 Space" is published as a stand-alone rulebook (not dependent upon or requiring other D6 System or Star Wars rulebooks) and is supported by its own line of supplements.
Document 6: Star Trek Roleplaying Game: The Star Trek Roleplaying Game is a role-playing game (RPG) set in the "Star Trek" universe using the "CODA System" rules and first published by Decipher, Inc. in 2002. When Decipher acquired the rights to create the RPG, they also acquired most of the gaming studio from Last Unicorn Games. However, the Decipher game system is dissimilar to . Instead, the system is similar to Wizards of the Coast's "d20 System" but uses 2D6 to resolve actions.
Document 7: Star Wars Roleplaying Game (Wizards of the Coast): The Star Wars Roleplaying Game is a d20 System roleplaying game set in the "Star Wars" universe. The game was written by Bill Slavicsek, Andy Collins and JD Wiker and published by Wizards of the Coast in late 2000 and revised in 2002. In 2007, Wizards released the "Saga Edition" of the game, which made major changes in an effort to streamline the rules system.
Document 8: Cortex System: The Cortex System is a generic RPG system based on the "Sovereign Stone System ", and was developed by Margaret Weis Productions, Ltd for the Serenity Role Playing Game. It was subsequently used for their licensed "Battlestar Galactica" and Supernatural RPGs, and brought out as a stand-alone system in the "Cortex System Role Playing Game" book (also called the "Cortex Classic System Role Playing Game"). Serenity, using the Cortex System, was the 2005 Origins Award Gamer's Choice Role Playing Game of the Year.
Document 9: Marvel Heroic Roleplaying: Marvel Heroic Roleplaying (MHRP), is the fourth role playing game set in the Marvel Universe, published Margaret Weis Productions under license from Marvel Comics. It was a fast playing game using the Cortex Plus system, with the first volume published in early 2012. In early 2013 Margaret Weis Productions announced they would not be renewing their license.
Document 10: D6 Adventure: D6 Adventure is a generic role-playing game system based on the D6 System. "D6 Adventure" is published as a stand-alone rulebook (not dependent upon or requiring any other D6 System rulebooks) and is supported by its own line of supplements.
Document 11: Standard RPG System: The Standard RPG System (SRS for short) is a Japanese role-playing game system developed by FarEast Amusement Research and used in "Alshard", "Tenra War", "Kaze no Stigma RPG", "Shinkyoku Sōkai Polyphonica RPG" and so on. The newest, the 14th game that use SRS are the "Full Metal Panic! RPG" based upon the anime and light novels of the same title. SRS games are published by several companies such as Game Field, Softbank Creative, JIVE and Kadokawa(Former Enterbrain and Fujimi Shobo).
Document 12: D6 System: The D6 System is a role-playing game system published by West End Games (WEG) and licensees. While the system is primarily intended for pen-and-paper role-playing games, variations of the system have also been used in live action role-playing games and miniature battle games. The system is named after the 6-sided die, which is used in every roll required by the system.
Document 13: Fuzion: Fuzion is a generic role-playing game system created by the collaboration of R. Talsorian Games and Hero Games. The rights to Fuzion are jointly held by Mike Pondsmith of R. Talsorian Games, along with Steve Peterson and Ray Greer of Hero Games. "Fuzion" is a combination of the Interlock System, (used in games like "Mekton" and "Cyberpunk 2020"), and the HERO system (used in "Champions", "Justice, Inc.", "Star Hero", etc.). "Fuzion" is an adaptable system which can be played in any genre and setting imaginable.
Document 14: Supernatural Role Playing Game: The Supernatural Role Playing Game is a role-playing game by Margaret Weis Productions that was released in 2009. It is based on the television series "Supernatural" and was the final game to use the Cortex System.
Document 15: Star Wars: The Roleplaying Game: Star Wars: The Roleplaying Game is a role-playing game set in the "Star Wars" universe, written and published by West End Games (WEG) between 1987 and 1999. The game system was slightly modified and rereleased in 2004 as "D6 Space", which used a generic space opera setting. An unrelated "Star Wars" RPG was published by Wizards of the Coast from 2000 to 2010. Since 2012 the official "Star Wars" role-playing game is another unrelated game, published by Fantasy Flight Games.
ground_truth: 2005