Question: In which year the female co-founder of Monkeystone Games born?

full_context: Document 1: Hyperspace Delivery Boy!: Hyperspace Delivery Boy! is the first title released by video game production company Monkeystone Games, formed by id Software and Ion Storm founders John Romero and Tom Hall, and Romero's then-girlfriend Stevie Case. A puzzle/action game developed for the Pocket PC and released on December 23, 2001. The game was later ported to other platforms, including Linux and it saw a respectable amount of commercial success and paved the way for further titles from the producers.
Document 2: Monkey Quest: Monkey Quest was an MMO geared toward children's multi-player gameplay. It was developed by Nickelodeon Virtual Worlds Group and launched in March 2011. It was showcased at GDC in 2011. Monkey Quest was shut down on September 26, 2014 so that Nickelodeon could focus on other digital and mobile experiences. The Monkey Quest: Thunderbow app was also removed from the App Store on July 31, 2014.
Document 3: Casey Weston: Casey Weston (born December 4, 1992) is a singer-songwriter. She was one of the top two finalists on Adam Levine's team on the first season of "The Voice." One of her recordings from "The Voice" made number 90 on the "Billboard" Hot 100.
Document 4: Venan Entertainment: Venan Entertainment, Inc. is a mobile and handheld game development studio based in Middletown, Connecticut. Founded in 2002, Venan began primarily as a Java/Brew-based mobile phone game developer, but has since branched off to develop games for Nintendo DS, iPod, and iPhone OS. Venan's most recent titles include their fifth fully independent, self-published title Book of Heroes, and the TouchArcade and EGM Game of the Year . Both are available for the iOS devices. Other recent Venan-developed titles include Ninjatown for the Nintendo DS, Monopoly Worldwide and Monopoly Classic for the iPhone and iPod Touch, and NBA Live for the iPhone and iPod Touch.
Document 5: Cat Hulbert: Cathy 'Cat' Hulbert is a retired American professional gambler. She was one of the world's first professional female card counters. "Card Player" magazine named her one of the top 7-card stud players in the world in 1996.
Document 6: Kellee Santiago: Kellee Santiago is a Venezuelan-American video game designer and producer. She is the co-founder and former president of thatgamecompany. Santiago was born in Caracas, Venezuela and was raised in Richmond, Virginia, where she played video games from a young age and was encouraged by her software engineer father to experiment with computers. While attending New York University's Tisch School of the Arts, she became active in experimental theater, and intended to pursue it after earning a master's degree in the Interactive Media Program of the School of Cinematic Arts at the University of Southern California. While there, however, she became involved in video game design, and produced "Cloud", a game developed by Jenova Chen and a student team. Its success sparked her and Chen to found thatgamecompany upon graduating, and she became the president.
Document 7: Steve Polge: Steven Polge is a game programmer, most noted for his work on the "Unreal" series of games, developed by Epic Games. Polge was hired by Epic in 1997 after creating the Reaper Bot, which is recognized by Guinness World Records as the first computer-controlled deathmatch opponent. In addition to programming on the franchise, he served as lead designer on "Unreal Tournament 3", and has been credited on other Epic titles such as "Gears of War", "Shadow Complex" and "Infinity Blade".
Document 8: IOMO: IOMO was a pioneering European mobile game developer and publisher based in Hampshire, England. IOMO was founded by John Chasey, Glenn Broadway and Andrew Bain in 2000. Initially a developer, the company was very successful in the early stages of the mobile game industry and worked with the majority of mobile technologies and customers across the whole value chain. This ranged from pre-installed titles developed for handset manufacturers and carriers, creation of branded titles for mobile games publishers and self-published original titles.
Document 9: Stevie Case: Stevana "Stevie" Case (born September 7, 1976) is an American game designer and eSports player. She is known as one of the first well-known female gamers. Case has had several roles in the industry, from the first female professional gamer at the Cyberathlete Professional League (CPL) to level designer to vice president of development and sales.
Document 10: Steve Peterson (game designer): Steve Peterson is a game designer who has worked primarily on role-playing games.
Document 11: Jamil Moledina: Jamil Moledina works in the videogame industry doing business development. He was born in Mombasa, Kenya, raised in London and Los Angeles, and now lives in San Francisco. He works at Google as the Games Strategic Lead for Google Play, managing games curation strategy for key partners on the default Android store, as well as curating the games portfolio for Daydream, Google's VR platform. He was previously the CEO of Wormhole Games, the makers of "Tank Nation." Prior to that he was VP Business Development for Funzio, the makers of "Crime City,", through their acquisition by GREE. Moledina previously directed business development at the EA Partners studio of Electronic Arts, where he created and managed the EA Arthouse initiative to sign and publish indie downloadable games such as "Shank" and "DeathSpank." He also served on the Board of Directors of the International Game Developers Association, the professional association of the game industry.
Document 12: Neal Stephenson: Neal Town Stephenson (born October 31, 1959) is an American writer and game designer known for his works of speculative fiction.
Document 13: Game Dev Story: Game Dev Story is a simulation video game developed and published by Kairosoft for Microsoft Windows, iOS, and Android. It was released for Windows in April of 1997 , for iOS and Android on October 9, 2010, and for Windows Phone on July 6, 2015. The game follows a player-controlled video game company and its attempts to expand into a sales powerhouse over time. As a simulation, the game and the direction of the company is controlled by the player, following a parallel timeline of the video game industry and its history. The game was released to positive reviews, with many reviewers focusing on "Game Dev Story"' s addictive aspects and its witty references to video game pop culture.
Document 14: Steve Feak: Steve Feak (born August 1, 1984), better known by the in-game name Guinsoo, is an American game designer. He was one of the previous designers of the popular "" custom game mode, "DotA: Allstars". Feak attracted the attention of the game industry and Riot Games, when his mod was played by 10 million gamers. He began this project while studying computer science at the University of Wisconsin. Since then, Feak was employed by Riot Games as a game designer for "League of Legends", a multiplayer online battle arena (MOBA) game directly inspired by his previous work.
Document 15: Monkeystone Games: Monkeystone Games was a video game developer and publisher founded by John Romero, Tom Hall, Stevie Case, and Brian Moon. The company's focus was on mobile games. After its inception in July 2001, Monkeystone published several titles on multiple platforms.
ground_truth: 1976