Question: Where is the company who released Uno for Game Boy Color headquartered?

full_context: Document 1: Uno (handheld game): Uno is a game for the Game Boy Color based on the card game of the same name. It was released by Mattel Games on December 16, 1999.
Document 2: Barbie: Barbie is a fashion doll manufactured by the American toy company Mattel, Inc. and launched in March 1959. American businesswoman Ruth Handler is credited with the creation of the doll using a German doll called Bild Lilli as her inspiration.
Document 3: Mattel: Mattel, Inc. ( ) is an American multinational toy manufacturing company founded in 1945 with headquarters in El Segundo, California. In 2014, it ranked #403 on the Fortune 500 list. The products and brands it produces include Fisher-Price, Barbie dolls, Monster High dolls, Ever After High dolls, Winx Club dolls, Hot Wheels and Matchbox toys, Masters of the Universe toys, American Girl dolls, board games, and WWE toys. In the early 1980's, Mattel produced video game systems, under its own brands and under license from Nintendo. The company has presence in 40 countries and territories and sells products in more than 150 nations. The company operates through three business segments: North America, international, and American Girl. It is the world's largest toy maker in terms of revenue. On January 17, 2017, Mattel named Google executive Margo Georgiadis as its next CEO.
Document 4: The Game of Life/Yahtzee/Payday: The Game of Life/Yahtzee/Payday is a traditional video game developed by Black Lantern Studios for the Game Boy Advance that includes versions of the games The Game of Life, Yahtzee and Pay Day. It was published by Destination Software Inc. in 2005 for the North American market and by Zoo Digital Publishing in 2006 for the European market.
Document 5: Tetris (Game Boy): Tetris (テトリス , Tetorisu ) is a puzzle video game for the Game Boy released in 1989. It is a portable version of Alexey Pajitnov's original Tetris and it was bundled in the North American and European releases of the Game Boy itself. It was the first game compatible with the Game Link Cable, a pack-in accessory that allowed two Game Boys to link together for multiplayer purposes. A colorized remake of the game was released on the Game Boy Color entitled Tetris DX (テトリス デラックス , Tetorisu Derakkusu ) . A Nintendo 3DS Virtual Console version of "Tetris" was released in December 2011 and lacks the multiplayer functionality. It was delisted from the Nintendo eShop after December 31, 2014.
Document 6: Tom Kalinske: Thomas "Tom" Kalinske (born July 17, 1944) is an American businessman, best known as having worked for Mattel 1972-87, reviving the Barbie & Hot Wheels Brands, launching Masters of the Universe, then being promoted to CEO of Mattel from 1985 to 1987. Next he was CEO of Matchbox, and then was recruited to be the president and CEO of Sega of America, Inc. from 1990 to 1996, and the CEO and COB of Leapfrog 1997-2006. His aggressive marketing decisions during his time at Sega, such as price drops, anti-Nintendo attack ads, and the famous "Sega Scream" TV campaign, are often cited as key elements in the success of the Genesis video game console. He is currently the Executive Chairman of Global Education Learning, a company dedicated to children's education in China.
Document 7: Game Boy Micro: Game Boy Micro (ゲームボーイミクロ , Gēmu Bōi mikuro ) (stylized as Game Boy micro) is a handheld game console developed and manufactured by Nintendo. It was first released in September 2005 as a compact redesign of the Game Boy Advance. The system is the last console in the Game Boy line. Unlike its predecessor, the Game Boy Micro lacks backward compatibility for Game Boy or Game Boy Color games.
Document 8: Andy Mooney: Andrew "Andy" P. Mooney is the CEO of Fender Musical Instruments Corporation and former chairman of Disney Consumer Products (DCP). Mooney joined the Walt Disney Company as president of DCP in January 2000 and was made chairman in May 2003. Vertical businesses under Mooney's leadership and the DCP umbrella are The Baby Einstein Company, Disney Publishing Worldwide and newly re-acquired retail chain The Disney Store. He is credited with pioneering the $4 billion Disney Princess franchise.
Document 9: Monster Rancher Battle Card Game: Monster Rancher Battle Card GB (モンスターファームバトルカードGB , Monster Farm Battle Card GB ) is a handheld game released in 1999 for the Nintendo Game Boy Color system. It is the first game in Tecmo's "Monster Rancher Battle Card" series, featuring a card game incorporating the popular characters from the "Monster Rancher" series. It was followed by "Monster Rancher Battle Card: Episode II" for the Sony PlayStation entertainment system which featured additional monsters.
Document 10: Maisto: Maisto International Inc. is a globally marketed toy brand that is part of the May Cheong Group. Though the brand is now headquartered in California, its origins and main company today are in Hong Kong. Maisto mainly manufactures die-cast models of automobiles, aircraft, and motorcycles. The company has also manufactured a number of Tonka products under license from Hasbro. It also now owns the former Italian Bburago and Polistil brand names.
Document 11: Mars, Incorporated: Mars is an American global manufacturer of confectionery, pet food, and other food products and a provider of animal care services, with US$33 billion in annual sales in 2015, and is ranked as the 6th largest privately held company in the United States by Forbes. Headquartered in McLean, unincorporated Fairfax County, Virginia, US, the company is entirely owned by the Mars family. Mars operates in six business segments around the world: Wm. Wrigley Jr. Company (Chicago, Illinois), Chocolate (Hackettstown, New Jersey; to be integrated with Wm. Wrigley Jr. Company and based in Chicago, Illinois from 2017), Petcare (Brussels, Belgium, Poncitlán and Jalisco, Mexico), Food (Rancho Dominguez, California), Drinks (West Chester, Pennsylvania), and Symbioscience (Germantown, Maryland), the company's life sciences division.
Document 12: Nintendo: Nintendo Co., Ltd. is a Japanese multinational consumer electronics and video game company headquartered in Kyoto. Nintendo is one of the world's largest video game companies by market capitalization, creating some of the best-known and top-selling video game franchises, such as "Mario", "The Legend of Zelda", and "Pokémon". Founded on 23 September 1889 by Fusajiro Yamauchi, it originally produced handmade hanafuda playing cards. By 1963, the company had tried several small niche businesses, such as cab services and love hotels. Abandoning previous ventures in favor of toys in the 1960s, Nintendo then developed into a video game company in the 1970s, ultimately becoming one of the most influential in the industry and Japan's third most-valuable company with a market value of over $85 billion. From 1992 until 2016, Nintendo was also the majority shareholder of Major League Baseball's Seattle Mariners.
Document 13: List of best-selling Game Boy video games: The best-selling video game of all-time on the Game Boy and Game Boy Color is "Tetris". First released in Japan on June 14, 1989, "Tetris" was often released as a pack-in game for the original Game Boy, and went on to sell in excess of 35 million units worldwide. The second best-selling Game Boy games are "Pokémon Red", "Green" and "Blue", which sold over 31 million units combined, followed by the best-selling Game Boy Color games "Pokémon Gold" and "Silver", which sold over 23 million units in total. The top five is rounded out by the platform's first "Super Mario" title, "Super Mario Land", which sold over 18 million copies worldwide, and "Pokémon Yellow", which has sold over 14 million units in total.
Document 14: Game Boy: The Game Boy (Japanese: ゲームボーイ , Hepburn: Gēmu Bōi ) is an 8-bit handheld game console which was developed and manufactured by Nintendo and first released in Japan on  21, 1989 (1989--) , in North America on  31, 1989 (1989--) and in Europe on  28, 1990 (1990--) . It is the first handheld console in the Game Boy line and was created and published by Satoru Okada and Nintendo Research & Development 1. This same team, led by Gunpei Yokoi at the time, is credited with designing the Game & Watch series as well as several popular games for the Nintendo Entertainment System. Redesigned versions were released in 1996 and 1998 in the form of Game Boy Pocket and Game Boy Light (Japan only), respectively.
Document 15: Galoob: Lewis Galoob Toys, Inc. was a toy company headquartered in South San Francisco, California. They are perhaps best known for creating Micro Machines and distributing the Game Genie in the United States. Lewis Galoob Toys was founded in 1957 by Lewis and Barbara Galoob as a small distributor of toys and stationery; the company was incorporated in 1968. In September 1998, Hasbro purchased Galoob for $220 million.
ground_truth: El Segundo, California