Question: Which retired kickboxer shares the record for world championship titles with Sem "Semmy" Schilt?
Context: Taisto Miettinen (born June 20, 1965) is an award-winning Finnish athlete.  He has won the World champion gold medals for the Water Running 2004, Iron Bar Walking 2012 and Bog Snorkelling 2012 and Kicksled 2014 and was also the winner of the Wife Carrying World Championships in 2009, 2010, 2011, 2012, 2013, & 2017.  He has been the oldest contestant, who has won World Championship in wife carrying.  He has won 13 medals in wife carrying World Championship competitions.  He has also won gold metal for Finnish championship of snowshoe running 2010, 2011, 2012 & 2014 and winter swimming 2010 and also silver in WC-competition and many Finnish champions in the sprint.  Miettinen has reached a total of 10 World Championship titles, 19 World Champion medals, 11 Finnish Championship titles, 19 Finnish Championship medals, 9 foreign countries championships as well as 17 foreign countries championship medals, many number of other titles and records, as well as two world record time (water running 50m and Wife Carrying 100m).  Miettinen has also won f.ex.  Finnish fear factor super man race.  CraveOnline has 2012 chosen Taisto the world`s greatest reigning stupendous unknown champion number 1.  He has been also Finnish most interesting people (final candidate) 2013. The Romanian football champions (Romanian: "campionii României la fotbal" ) are the winners of "Liga I", Romania's premier annual association football league competition.  The title has been contested since 1909 in varying forms of competition.  Steaua Bucureşti has won a record 26 championship titles, thus making it the most prolific team in the Liga I.  The second most successful team in the league is Dinamo Bucureşti with 18 championship titles.  The Steaua-Dinamo rivalry, also known as the Eternal Derby, is the biggest one in the Romanian football championship, and between the two teams, they have won the championship 44 times and finished as runners-up another 34 times during the 98 completed seasons.  The third most prolific team was Venus Bucureşti which won all of its titles during the early editions of the championship, winning eight trophies before its dissolution in 1949.  Since the first edition in 1909–10, the league has been won by 22 teams representing 11 cities, with nearly two-thirds of all editions (59 titles) being won by teams from the capital, Bucharest.  The 2007–08 champions CFR Cluj were the first team outside Bucharest to win the championship in 16 years. Ernesto Fritz Hoost (born July 11, 1965) is a Dutch kickboxer.  A four-time K-1 World Champion, he made his debut in 1993 at the K-1 World Grand Prix 1993, where he came just one win short of the world title.  He announced his retirement on December 2, 2006 after the K-1 World GP Final tournament in Tokyo Dome, Japan. The 1996 FIA Formula One World Championship was the 50th season of FIA Formula One motor racing.  It featured the 1996 FIA Formula One World Championship, which commenced on 10 March 1996, and ended on 13 October after sixteen races.  Two World Championship titles were awarded, one for Drivers and one for Constructors. Kazuo Takahashi, ring name Yoshiki Takahashi (born March 13, 1969 in Ichikawa, Chiba) is a Japanese retired mixed martial artist.  He has competed in many large MMA promotions, including the UFC, World Victory Road, Pancrase, and Pride Fighting Championships.  Takahashi is best known for his incredible toughness, heart, and will to win.  He has fought many top fighters in mixed martial arts, including Masakatsu Funaki, Bas Rutten, Valentijn Overeem, Igor Vovchanchyn, Ken Shamrock, Vitor Belfort, Heath Herring, Semmy Schilt, and Josh Barnett.  His nickname is "Cannibal Yoshiki". Glaube Araújo Feitosa (born April 9, 1973) is a Brazilian former kickboxer and a kyokushin full contact karate practitioner who was competing in K-1.  In 2005, Feitosa won K-1 World Grand Prix 2005 in Las Vegas tournament and was a K-1 World Grand Prix 2005 finalist.  While living in Tokyo, Japan he fought and trained in the IKO1 Kyokushin - Team Ichigeki at the Ichigeki Plaza.  Throughout his career he was known as one of the best non-champions to fight in the K-1, a position he earned with his wins over non-champion fighters, such as Ruslan Karaev, Musashi, Gary Goodridge and Junichi Sawayashiki.  He also went the distance with some of the top fighters in his time, such as Peter Aerts, Remy Bonjasky, Semmy Schilt and Errol Zimmerman.  He holds victories over Cheick Kongo and Alistair Overeem. Miriam Gössner (born 21 June 1990) is a German biathlete and cross-country skier.  She has won an Olympic silver medal in cross-country skiing and two biathlon world championship titles, all in team events.  Noted for her fast skiing performances, she won two junior world championship titles in biathlon in 2008 and 2009.  Gössner was called up for the Nordic World Ski Championships 2009, where she was part of Germany's cross-country team claiming silver in the 4 × 5 kilometre relay. Naoto Matsukura (松倉直人 , Matsukura Naoto , born 1993) is a Japanese radio-controlled car racer from Edogawa, Tokyo who have won in total four IFMAR World Championship titles; his first in 2008, the youngest to do so as well as five top qualifier titles.  In addition to this, he has won twenty-four JMRCA All-Japan Championship titles.  Until the end of 2014, he drove for Yokomo and since then have signed up to drive for Tamiya and Kyosho at the start of 2015. Sem "Semmy" Schilt (] ; born 27 October 1973) is a Dutch former kickboxer, Ashihara karateka, mixed martial artist, one-time and four-time K-1 World Grand Prix Champion.  He is the only fighter in K-1 history to win the world championship three times in a row, and also shares the record with Ernesto Hoost for most Grand Prixs won, with four. Daniel Ghiță (] , born April 22, 1981) is a Romanian super heavyweight kickboxer signed to the GLORY promotion where he has been the runner-up of the , losing to kickboxing's best Semmy Schilt.  He is also a former K-1 and Local Kombat fighter and the last It's Showtime World Heavyweight champion.  Known for his devastating leg kicks, which earned him the nickname "The Savage Samurai" in Japan, he is widely considered to be one of the greatest heavyweight kickboxers in activity.
Answer: Ernesto Hoost