Question: Shakur Stevenson won a silver medal at the Olympics in what country?

full_context: Document 1: Beibut Shumenov: Beibut Amirhanoviç Shumenov (Kyrgyz: Бейбут Амирханович Шуменов ; born 19 August 1983) is a Kazakhstani former professional boxer who competed from 2007 to 2016. He is a two-weight world champion, having held the WBA light heavyweight title from 2010 to 2014, and the WBA (Regular) cruiserweight title from 2016 to 2017.
Document 2: Danny McFarlane (boxing referee): Daniel (Danny) McFarlane (b Pennywell, Sunderland, Tyne and Wear, England, UK, 30 March 1967) is a former boxer turned British AIBA boxing referee, whose most high-profile bout saw Shakur Stevenson (United States), take on Robeisy Ramirez (Cuba) in the Rio de Janeiro 2016 Olympic bantamweight final.
Document 3: Oleksandr Usyk: Oleksandr Oleksandrovych Usyk (Ukrainian: Олекса́ндр Олекса́ндрович У́сик ) is a Ukrainian professional boxer who has held the WBO junior heavyweight title since 2016. As of May 2017 he is ranked as the world's best in the division by "The Ring" magazine, the Transnational Boxing Rankings Board, and BoxRec. As an amateur, Usyk won gold medals at the 2011 World Championships and 2012 Olympics, both in the heavyweight division.
Document 4: The Contender Challenge: UK vs. USA: The Contender Challenge: UK vs. USA was a series of boxing matches on 30 March 2007, held at Metro Radio Arena, Newcastle, England, featuring 6 boxers from the US reality television shows "The Contender" and "The Contender 2". The Contenders, in a team coached by Sugar Ray Leonard, took on 6 boxers from the UK, all promoted by Frank Warren, and coached by Barry McGuigan. The winning team was awarded the "Sugar Ray Leonard Cup," not unlike the Ryder Cup in Golf
Document 5: Ron Lipton: Ron Lipton (born August 8, 1946) is an American boxing referee who has officiated in world title bouts in the United States, Ireland and Italy, and on HBO pay-per-view. Lipton refereed fights involving Evander Holyfield, Ray Mercer, Roy Jones Jr., Oscar De La Hoya, David Tua, Junior Jones, Chris Eubank, Donovan Ruddock, Pernell Whitaker and Roberto Duran.
Document 6: Kenny Bayless: Kenny Bayless (born 1950) is an American boxing referee from Nevada. He is best known for having refereed many of the sport's superfights, including Manny Pacquiao vs. Ricky Hatton, Oscar De La Hoya vs. Floyd Mayweather Jr., Ricky Hatton vs. Paulie Malignaggi, Miguel Cotto vs. Antonio Margarito, Manny Pacquiao vs. Miguel Cotto, as well as Floyd Mayweather Jr. vs. Manny Pacquiao. Bayless's catchphrase, when giving his instructions to the fighters before the opening bell, is "What I say you must obey."
Document 7: Roy Jones Jr.: Roy Levesta Jones Jr. (born January 16, 1969) is an American professional boxer, boxing commentator, boxing trainer, rapper, and actor who holds dual American and Russian citizenship. He is a six-time former world champion in four weight classes, having held titles at middleweight, super middleweight, light heavyweight, and heavyweight; and is the only boxer in history to start his professional career at light middleweight and go on to win a heavyweight title. As an amateur he represented the United States at the 1988 Summer Olympics, winning a silver medal in the light middleweight division.
Document 8: Ron Stander: Ron Stander (born October 17, 1944) is a former professional boxer, who fought from 1969 to 1982. He challenged for the world heavyweight championship in 1972, losing to Joe Frazier by fifth round technical knockout. He scored a fifth round knockout victory over hard-punching Earnie Shavers in 1970, and a points decision win over contender Thad Spencer in 1971. An award-winning documentary entitled "The Bluffs Butcher," after his adopted hometown of Council Bluffs, IA, produced by journalism student Andrew Batt was released in 2004. The documentary told the story of Iowa's arguably best shot at a World Heavyweight Boxing Title and chronicled Stander's journey from virtual unknown to boxing's largest stage.
Document 9: Lamon Brewster: Lamon Tajuan Brewster (born June 5, 1973) is an American former professional boxer who competed from 1996 to 2010. He held the WBO heavyweight title from 2004 to 2006, and is best known for scoring an upset knockout victory over Wladimir Klitschko to win the vacant title. As an amateur, Brewster won the U.S. national championships in 1995, and a silver medal at that year's Pan American Games, both in the heavyweight division. Following his retirement from the sport in 2011, he became an entrepreneur and founded a consulting business.
Document 10: Justin Juuko: Justin "The Destroyer" Juuko (born 26 December 1972 in Masaka) is a Ugandan amateur light flyweight and professional feather/super feather/light/light welter/welterweight boxer of the 1990s, 2000s and 2010s who as an amateur won the gold medal at light flyweight in the Boxing at the 1990 Commonwealth Games in Auckland, New Zealand, and as a professional won the World Boxing Council (WBC) International super featherweight title, World Boxing Council (WBC) FECARBOX super featherweight title, African Boxing Union (ABU) light welterweight title, North American Boxing Federation (NABF) super featherweight title, and Commonwealth super featherweight title, and was a challenger for the interim World Boxing Association (WBA) World super featherweight title against Antonio Hernandez, World Boxing Council (WBC) super featherweight title against Floyd Mayweather, Jr., International Boxing Association (IBA) super featherweight title against Diego Corrales, World Boxing Union (WBU) super featherweight title against Michael Gomez, International Boxing Association (IBA) lightweight title against Rustam Nugaev, Global Boxing Union (GBU) light welterweight title against Gábor Vető, his professional fighting weight varied from 125 lb , i.e. featherweight to 143 lb , i.e. welterweight.
Document 11: Shakur Stevenson: Shakur Stevenson (born June 28, 1997) is an American professional boxer who competes in the featherweight division. As an amateur, Stevenson represented the United States at the 2016 Summer Olympics, winning a silver medal in the bantamweight division.
Document 12: Danny McIntosh: Danny McIntosh (born 1 March 1980) is a British former professional boxer who competed from 2005 to 2014. He held the European light-heavyweight title in 2011 and competed in the thirtieth Prizefighter series.
Document 13: Stephen Smith (boxer): Stephen Francis Smith (born 22 July 1984 is a British professional boxer. He is the current WBC Silver super featherweight champion and a former British featherweight and British super featherweight champion, he is also a former Commonwealth featherweight champion.
Document 14: Super featherweight: Super featherweight, also known as junior lightweight, is a weight division in professional boxing, contested between 126 lb and up to 130 lb .
Document 15: Cassius Clay vs. Donnie Fleeman: Cassius Clay (soon Muhammad Ali) fought an eight-round boxing match with Texan Donnie Fleeman in Miami on February 21, 1961. Prior to this fight, Fleeman had a record of 51 fights with 45 wins including 20 knockouts. Clay won the bout through a technical knockout after the referee stopped the fight in the seventh round. This was the first time Clay had gone over six rounds in a boxing match. It was also the first time Fleeman had ever been knocked down in a boxing match. Fleeman retired from boxing after this fight.
ground_truth: Rio de Janeiro