Question: Henry Cejudo beat Besarion Gochashvili and others to became the Olympic champion 55 kg freestyle wrestler, in which year?

full_context: Document 1: Magomedrasul Gazimagomedov: Magomedrasul Mukhtarovich Gazimagomedov (Russian: Магомедрасул Мухтарович Газимагомедов ; born April 8, 1991 in Dagestan) is a Russian of Tindian heritage freestyle wrestler. Grand Master of Sports in Freestyle Wrestling. He is winner Russian National Freestyle Wrestling Championships 2015. In the quarterfinals match he beat to World Champion Khetag Tsabolov of North Ossetia–Alania. European Games champion, who competed in the men's freestyle 70 kg category at the 2015 European Games and won the gold medal. In preseason he trains with MMA stars Rustam Khabilov and Khabib Nurmagomedov. He won gold medal at the 2015 World Wrestling Championships at Men's freestyle 70 kg.
Document 2: Demetrious Johnson (fighter): Demetrious Khrisna Johnson (born August 13, 1986) is an American mixed martial artist. He is the first ever and the current Flyweight Champion of the Ultimate Fighting Championship (UFC). He currently holds the longest active championship reign at ten title defenses. He is also the #1 ranked pound for pound MMA fighter in the world. Known for his quick striking and elusive movement, Johnson has also landed the most takedowns in UFC Flyweight history and holds the record for the latest finish in UFC history with a submission win at 4:59 of the fifth round against Kyoji Horiguchi. He is also the only UFC fighter to record over 10 takedowns in three different fights.
Document 3: Besarion Gochashvili: Besarion Gochashvili (born February 6, 1983 in Tbilisi) is a male freestyle wrestler from Georgia. He participated in Men's freestyle 55 kg at 2008 Summer Olympics. After beating Romanian Petru Toarca he lost with Henry Cejudo. In the repechage round he was eliminated by Radoslav Velikov.
Document 4: Eric Albarracin: Eric Albarracin (born c. 1977) is a retired American wrestler who won silver medals in the freestyle 54 kg division at the Pan American Championships and at the 2000 Military World Wrestling Championships. Currently he coaches professional mixed martial arts competitors from Brazil, and in this capacity participated in and . Before that Albarracin trained the Olympic champion Henry Cejudo.
Document 5: Henry Cejudo: Henry Carlos Cejudo, (born February 9, 1987) is an American freestyle wrestler, Olympic gold medalist, mixed martial artist and author. He became an Olympic gold medalist at 21 years old, the second youngest American wrestler to do so (Kyle Snyder became an olympic champion at 20 years old at the 2016 Rio Games). Cejudo debuted in the bantamweight division of the Ultimate Fighting Championship in December 2014 at . As of March 9th, 2017, he is #2 in the official UFC flyweight rankings.
Document 6: Dan Henderson: Daniel Jeffery Henderson (born August 24, 1970) is an American former mixed martial artist and Olympic wrestler, who last competed as a middleweight in the Ultimate Fighting Championship. He was the last Strikeforce Light Heavyweight Champion and was the last Welterweight (80 kg ) and Middleweight (95 kg ) champion of Pride Fighting Championships. Additionally, Henderson was the Brazil Open '97 Tournament Champion, the UFC 17 Middleweight Tournament Champion, the Rings: King of Kings 1999 Tournament Champion and the Pride Weltwerweight Grand Prix Tournament Champion. During his career, Henderson also challenged for the UFC Middleweight Championship (2x), the UFC Light Heavyweight Championship and the Strikeforce Middleweight Championship. He was the first mixed martial artist to concurrently hold two titles in two different weight classes in a major MMA promotion. At the time of his retirement after UFC 204, he was the oldest fighter on the UFC roster. Known to be one of the greatest mixed martial artists of all time having defeated a total of seventeen MMA world champions across four major MMA promotions (UFC, PRIDE FC, Strikeforce, and RINGS).
Document 7: Abdusalam Gadisov: Abdusalam Mamatkhanovich Gadisov (born 26 March 1989 in Dagestan) is an Avar – Dagestani born-Russian freestyle wrestler. He competed in the freestyle 96 kg event at the 2012 Summer Olympics; after defeating Taimuraz Tigiyev in the qualifications, he was eliminated by Reza Yazdani in the 1/8 finals. In 2014 he became World freestyle wrestling champion in 97 kg, and runner-up in 2015. In 2012 he became Russian national champion in final the match he defeated Olympic Champion and five time World Champion Khadzhimurat Gatsalov. He won Russian National Freestyle Wrestling Championships 2015 again and also won in 2016. Gadisov took the silver medal in the 2015 World Freestyle Wrestlng Championships, losing in the finals to Kyle Snyder, who became the youngest World Wrestling Champion in US history.He is devout Sunni Muslim
Document 8: Zaza Tkeshelashvili: Zaza "Grom" Tkeshelashvili (born March 19, 1965) is a Georgian retired Freestyle wrestling Olympic competitor (100 kg) for Georgia in 1996 Olympic Games Atlanta and mixed martial artist. He formerly competed in the Heavyweight (MMA) division, most of which he fought with Fighting Network RINGS where he was known as Zaza Grom. He lost his last fight at Rings Lithuania – Bushido Rings 2 against Volk Han on August 5, 2001. He holds notable wins over Volk Han and Travis Fulton, and has fought Bobby Hoffman and Renato Sobral. His brother Koba Tkeshelashvili is also mixed martial artist and has competed in RINGS.
Document 9: Angel Cejudo: Angel Cejudo is an American freestyle wrestler who won the Dave Schultz Memorial International freestyle wrestling tournament in the 132-pound weight class on Tuesday, February 5, 2008.
Document 10: José Aldo: José Aldo da Silva Oliveira Junior (] ; born September 9, 1986) is a Brazilian mixed martial artist in the Ultimate Fighting Championship. He was the fourth and final WEC Featherweight Champion and thus, became the first UFC Featherweight Champion during the UFC/WEC merger. He is a former two-time UFC Featherweight Champion. He was named Sherdog's 2009 Fighter of the Year. He is currently #12 in official UFC pound-for-pound rankings, having been ranked as high as #1 in 2015, and ranked the #2 featherweight in the world and #7 pound-for-pound by Sherdog. In the decade from November 2005 through December 2015, Aldo was undefeated in 18 fights. In Sherdog's April 2017 Pound-For-Pound ranking, Aldo was called "the greatest featherweight in mixed martial arts history."
Document 11: Arsen Kasabiev: Arsen Kasabiev (Georgian: არსენ კასაბიევი ; Russian: Арсен Касабиев ) born November 15, 1987 in Tskhinvali, South Ossetia) is a Polish-Georgian weightlifter of Ossetian origin. At the 2004 Summer Olympics he placed 14th. At the 2008 Summer Olympics he originally placed fourth, but due to the doping faillure of Ilya Ilyin and Khadzhimurat Akkaev, he placed second. At the 2008 Summer Olympics in Beijing, PR China he initially gained attention for being from South Ossetia due to the 2008 South Ossetia war. He publicly announced that he no longer wanted to represent Georgia and moved to Poland afterwards.
Document 12: Johny Hendricks: Johny Harvey Hendricks (born September 12, 1983) is an American mixed martial artist and an accomplished former collegiate wrestler . He currently competes in the Ultimate Fighting Championship's (UFC) Middleweight division and is the former UFC Welterweight Champion. He is known for his powerful punches, particularly from his left hand, as well as his extensive wrestling background.
Document 13: Petru Toarcă: Petru Toarca (born on October 4, 1975, Ozerne, Izmail Raion, Odessa Oblast, Ukraine) is a male freestyle wrestler from Romania. He participated in Men's freestyle 55 kg at 2008 Summer Olympics. In the 1/8 final he lost and was eliminated by Besarion Gochashvili from Georgia.
Document 14: Mavlet Batirov: Mavlet Alavdinovich Batirov (Russian: Мавлет Алавдинович Батиров , born December 12, 1983 in Khasavyurt, Dagestan) is a Russian of Avar descent freestyle wrestler, world and 2-time Olympic champion, who competed in the men's freestyle 55 kg category at the 2004 Summer Olympics and won the gold medal.
Document 15: B.J. Penn: Jay Dee "B.J." Penn (born December 13, 1978) is an American professional mixed martial artist and Brazilian Jiu-Jitsu practitioner. Penn debuted and competed in the Ultimate Fighting Championship (UFC), and later in K-1. Prior to fighting for the UFC, he became the first American Gold medalist of the World Jiu-Jitsu Championship. In mixed martial arts, Penn has competed in the Featherweight, Lightweight, Welterweight, and Middleweight divisions. As a former UFC Lightweight Champion and UFC Welterweight Champion, he is one of only three fighters in UFC history to win titles in multiple weight classes. Penn was also a Co-champion in the UFC 41 Lightweight Tournament, due to an eventual draw opposite Caol Uno in the tournament finale. Through his tenures as champion, Penn unofficially unified the UFC Lightweight Championship (against Sean Sherk) and broke the all-time lightweight title defense record. Penn was inducted into the UFC Hall of Fame, as the inaugural inductee in the Modern-Era Wing by career-long rival Matt Hughes, during "International Fight Week" in July 2015.
ground_truth: 2008