Task: Question Answering
Input (English): Context_1 : The Capricorns were an indie rock band consisting of Heather Lynn and Kirsten Nordine, both of whom sing and play keyboards, with Lynn also playing tambourine. They formed their band in the spring of 2000, playing on vintage Casio keyboards purchased at garage sales. They write pop songs which one of their labels described as combining "infectious hooks with 'dear diary' lyrics". They are originally from Grayslake, Illinois. Context_2 : Stage and birth name Kotono Shibuya (渋谷 琴乃 , Shibuya Kotono , born 9 June 1975 in Tokyo, Japan) , married name Kotono Watanabe (渡辺 琴乃 , Watanabe Kotono ) , is a Japanese actress and singer. Context_3 : Yahoo! Japan Corporation (ヤフー株式会社 , Yafū Kabushiki-gaisha ) is a Japanese internet company originally formed as a joint venture between the American internet company Yahoo! (now Altaba) and the Japanese company SoftBank. It is headquartered at Kioi Tower in the Tokyo Garden Terrace Kioicho complex in Kioicho, Chiyoda, Tokyo. Yahoo! Japan's web portal is the most visited website in Japan, and its internet services are mostly dominant in the country. Context_4 : The Shibuya incident (渋谷事件 , Shibuya jiken ) was a violent confrontation which occurred in June 1946 between rival gangs near the Shibuya Station in Tokyo, Japan. The years after World War II saw Japan as a defeated nation and the Japanese people had to improvise in many aspects of daily life. In the chaos of the post-war recovery large and very lucrative black markets opened throughout Japan. Various gangs fought for control over them. There were also many non-Japanese "third nationals" in post-war Japan. These "third nationals" or "third-country people" were former subjects of the Japanese Empire whose citizenship then transferred to other countries like China and Korea. The Shibuya incident involved former Japanese citizens from the Japanese province of Formosa (now called Taiwan) fighting against native Japanese Yakuza gangs. After the fight, the Chinese nationalist government stepped forward to defend the Formosans. Context_5 : Smilesoft Co.,Ltd. (スマイルソフト株式会社 , Sumairusofuto Kabushiki Kaisha ) was a Japanese company that developed video games. Its headquarters were in the CT Sasazuka Building (CT笹塚ビル , CT Sasazuka Biru ) in Shibuya, Tokyo. Context_6 : Momoko Shibuya (渋谷 桃子 , Shibuya Momoko , born 15 March 1987 in Kanagawa Prefecture, Japan) is a Japanese actress. Shibuya debuted as a model when she was one year old. She has played the role of Minako Aino in the Sailor Moon musicals. Context_7 : Casio Computer Co., Ltd. (カシオ計算機株式会社 , Kashio Keisanki Kabushiki-gaisha ) is a Japanese multinational consumer electronics and commercial electronics manufacturing company headquartered in Shibuya, Tokyo, Japan. Its products include calculators, mobile phones, digital cameras, electronic musical instruments, and digital watches. It was founded in 1946, and in 1957 released the world's first entirely electric compact calculator. Casio was an early digital camera innovator, and during the 1980s and 1990s, the company developed numerous affordable home electronic keyboards for musicians. Context_8 : Tenma Shibuya (Japanese: 渋谷天馬 ,traditional Chinese: 澀谷天馬,simplified Chinese: 涩谷天马,other names: Shibuya Tenma,Segu Tianma; born January 13，1969) is a Japanese actor, Japanese classical dancer, and cultural exchange activist. He began his career as an actor in 1993 after returning from US, where he attended college. He made appearances in a number of films, stages, and TV dramas in his early acting career in Japan. In 2006, Shibuya, aged 36, visited China for the first time, leading his jump into Chinese show business. In 2008, Shibuya played Colonel Sato, an impressive villain in Yip Man(Ip Man), a Hong Kong kung-fu movie that won the best film award of 28th Hong Kong Film Awards. He starred in the top-rated Chinese TV drama in 2011, Borrow Gun, in which Shibuya successfully portrayed Kato, a character that won him an overnight fame in all of China.　He has often been cast in the role of a villainous Japanese soldier in Chinese anti-Japanese war films. Up until 2015, Shibuya has appeared in over 100 productions including movies, TV dramas and stage works in Japan, China, Hong Kong, Taiwan and the U.S, gaining a great popularity in Asian areas especially in Chinese-speaking areas In addition to acting, he has been a Japanese classical dancer and songwriter for over 20 years. Context_9 : Niwango, Inc. (株式会社 ニワンゴ , Kabushiki Kaisha Niwango ) was a Japanese company that was created to manage Niconico. Its headquarters are in the Nico Nico Headquarters Building (ニコニコ本社ビル , "Niko Niko Honsha Biru" ) in Shibuya, Tokyo. It is a subsidiary of Dwango before absorbed into its parent on October 1, 2015. Context_10 : Shibuya Station (渋谷駅 , Shibuya-eki ) is a railway station in Shibuya, Tokyo, Japan, operated jointly by East Japan Railway Company (JR East), Keio Corporation, Tokyu Corporation, and Tokyo Metro. With 2.4 million passengers on an average weekday in 2004, it is the fourth-busiest commuter rail station in Japan and the world (after Shinjuku, Ikebukuro, and Ōsaka / Umeda) handling a large amount of commuter traffic between the center city and suburbs to the south and west. fact_1 :  They formed their band in the spring of 2000, playing on vintage Casio keyboards purchased at garage sales. fact_2 : Casio Computer Co., Ltd. (カシオ計算機株式会社 , Kashio Keisanki Kabushiki-gaisha ) is a Japanese multinational consumer electronics and commercial electronics manufacturing company headquartered in Shibuya, Tokyo, Japan. Question: The Capricorns played on a keyboard from what Japanese company that his headquartered in Shibuya, Tokyo, Japan?
Output (English): Casio Computer Co., Ltd.