Context: Nurzhan Smanov (   ; born February 17 , 1972 ) is a retired boxer from Kazakhstan , who competed for his native country in the Men 's Welterweight ( -- 67 kg ) division at the 1996 Summer Olympics in Atlanta , Georgia . There he was defeated in the quarterfinals by Cuba 's eventual silver medalist Juan Hernández Sierra ., The International Olympic Committee (IOC; French: Comité international olympique, CIO) is the supreme authority of the worldwide Olympic movement. It is an international, non-profit, non-governmental organization based in Lausanne, Switzerland. Its mission is enshrined in the Olympic Charter: to support the development of competitive sport by ethical and environmentally sustainable means., The 1996 Summer Olympics, known officially as the Games of the XXVI Olympiad and unofficially as the Centennial Olympic Games, was a major international multi-sport event that took place in Atlanta, Georgia, United States, from July 19 to August 4, 1996. A record 197 nations, all current IOC member nations, took part in the Games, comprising 10,318 athletes. The International Olympic Committee voted in 1986 to separate the Summer and Winter Games, which had been held in the same year since 1924, and place them in alternating even-numbered years, beginning in 1994. The 1996 Summer Games were the first to be staged in a different year from the Winter Games. Atlanta became the fifth American city to host the Olympic Games and the third to hold a Summer Olympic Games. , The Summer Olympic Games or the Games of the Olympiad, first held in 1896, is an international multi-sport event that is hosted by a different city every four years. The most recent Olympics were held in Rio de Janeiro, Brazil. The International Olympic Committee organizes the games and oversees the host city's preparations. In each Olympic event, gold medals are awarded for first place, silver medals are awarded for second place, and bronze medals are awarded for third; this tradition began in 1904. The Winter Olympic Games were created due to the success of the Summer Olympics., Welterweight is a weight class in combat sports. Originally the term "welterweight" was used only in boxing, but other combat sports like Muay Thai, taekwondo and mixed martial arts also use it for their own weight division system to classify the opponents. In most sports that use it, welterweight is heavier than lightweight but lighter than middleweight., Juan Hernández Sierra (born March 16, 1969) is a retired boxer from Cuba, who competed in the welterweight (< 67 kg) division during the 1990s. He represented his native country at three consecutive Summer Olympics, starting in 1992 in Barcelona, Spain. After having won silver at his Olympic debut he repeated that feat in Atlanta, United States (1996)., A multi-sport event is an organized sports event, often held over multiple days, featuring competition in many different sports between organized teams of athletes from (mostly) nation states. The first major, modern, multi-sport event of international significance is the modern Olympic Games., Subject: nurzhan smanov, Relation: sport, Options: (A) boxing (B) mixed martial arts (C) sport
Output: boxing