Question: What is the nationality of the man who Andry Thysse challenged for the World Boxing Council International super middleweight title

full_context: Document 1: Guy Waters: Guy "Arc Angel" Waters ( (1964--) 25 1964 (age (2017)-(1964)-((11)<(01)or(11)==(01)and(30)<(25)) ) ) is an Australian professional welter/light middle/middle/super middle/light heavy/cruiserweight boxer of the 1980s, 1990s and 2000s who won the New South Wales State (Australia) light heavyweight title, Australian light heavyweight title, Oriental and Pacific Boxing Federation (OPBF) light heavyweight title, Australasian Light Heavyweight Title, World Boxing Federation (WBF) light heavyweight title, International Boxing Federation (IBF) Pan Pacific super middleweight title, Oriental and Pacific Boxing Federation (OPBF) super middleweight title, and Commonwealth light heavyweight title, and was a challenger for the WBC light heavyweight title against Dennis Andries, World Boxing Association (WBA) World light heavyweight title against Virgil Hill, World Boxing Council (WBC) cruiserweight title against Juan Carlos Gómez, and Commonwealth super middleweight title against David Starie, his professional fighting weight varied from 167+1/2 lb , i.e. super middleweight to 185+1/4 lb , i.e. cruiserweight.
Document 2: Andre Ward: Andre Michael Ward (born February 23, 1984) is an American former professional boxer who competed from 2004 to 2017. He retired with an undefeated record and held eight world titles in two weight classes, including the unified WBA (Super), WBC, "Ring" magazine, and lineal super middleweight titles between 2009 and 2015; and the unified WBA (Undisputed), IBF, WBO, and "Ring" light heavyweight titles between 2016 and 2017. During his reign as light heavyweight champion, Ward was ranked as the world's best active boxer, pound for pound, by "The Ring" magazine and the Transnational Boxing Rankings Board (TBRB), as well as the world's best active boxer in the division by "The Ring", the TBRB, and BoxRec.
Document 3: Mike McCallum: Mike McCallum (born 7 December 1956) is a Jamaican former professional boxer who competed from 1981 to 1997. He is a three-weight world champion, having held the WBA super welterweight title from 1984 to 1988; the WBA middleweight title from 1989 to 1991; and the WBC light heavyweight title from 1994 to 1995.
Document 4: Guy Waters: Guy "Arc Angel" Waters ( (1964--) 25 1964 (age (2017)-(1964)-((11)<(01)or(11)==(01)and(30)<(25)) ) ) is an Australian professional welter/light middle/middle/super middle/light heavy/cruiserweight boxer of the 1980s, 1990s and 2000s who won the New South Wales State (Australia) light heavyweight title, Australian light heavyweight title, Oriental and Pacific Boxing Federation (OPBF) light heavyweight title, Australasian Light Heavyweight Title, World Boxing Federation (WBF) light heavyweight title, International Boxing Federation (IBF) Pan Pacific super middleweight title, Oriental and Pacific Boxing Federation (OPBF) super middleweight title, and Commonwealth light heavyweight title, and was a challenger for the WBC light heavyweight title against Dennis Andries, World Boxing Association (WBA) World light heavyweight title against Virgil Hill, World Boxing Council (WBC) cruiserweight title against Juan Carlos Gómez, and Commonwealth super middleweight title against David Starie, his professional fighting weight varied from 167+1/2 lb , i.e. super middleweight to 185+1/4 lb , i.e. cruiserweight.
Document 5: George Groves (boxer): George Groves (born 26 March 1988) is a British professional boxer. He has held the WBA (Super) super-middleweight title since May 2017, and previously the European, British, and Commonwealth super-middleweight titles between 2010 and 2014. As an amateur, Groves won the ABA middleweight title twice, in 2007 and 2008.
Document 6: Andre Thysse: Andre Thysse ( (1968--) 07 1968 (age (2017)-(1968)-((11)<(02)or(11)==(02)and(30)<(07)) ) ) born in Germiston, is a South African professional super middle/light heavyweight boxer of the 1990s and 2000s who won the Gauteng super middleweight Title, South African super middleweight title, and Commonwealth super middleweight title, and was a challenger for the International Boxing Organization (IBO) super middleweight title against Brian Magee, World Boxing Council (WBC) super middleweight title against Markus Beyer, World Boxing Council (WBC) International super middleweight title against Mikkel Kessler, WBC International super middleweight title against Jürgen Brähmer, World Boxing Council (WBC) Continental Americas super middleweight title against Lucian Bute, World Boxing Council (WBC) International light heavyweight title against Adrian Diaconu, and International Boxing Federation (IBF) Australasian super middleweight title against Sakio Bika, his professional fighting weight varied from 163+3/4 lb , i.e. super middleweight to 175 lb , i.e. light heavyweight.
Document 7: Mikkel Kessler: Mikkel Kessler (born 1 March 1979) is a Danish professional boxer. He is a multiple-time super-middleweight world champion, having held the WBA title three times between 2004 and 2013, and the WBC title twice between 2006 and 2010.
Document 8: Wladimir Klitschko: Wladimir Wladimirowitsch Klitschko (born 25 March 1976) is a Ukrainian former professional boxer who competed from 1996 to 2017. He is a two-time world heavyweight champion, having held the WBA (Super), IBF and WBO titles, as well as the IBO, "Ring" magazine, and lineal titles. A strategic and intelligent boxer, Klitschko is considered to be one of the greatest heavyweight champions of all time. He was known for his exceptional knockout power, utilising a strong jab, straight right hand and left hook.
Document 9: Joe Calzaghe: Joseph William Calzaghe, {'1': ", '2': ", '3': ", '4': "} ( ; born 23 March 1972) is a Welsh former professional boxer who competed from 1993 to 2008. He is a two-weight world champion, having held the unified WBA (Super), WBC, IBF, WBO, "Ring" magazine, and lineal super-middleweight titles, as well as the "Ring" light-heavyweight title. Calzaghe is the longest-reigning super-middleweight world champion in boxing history, having held the WBO title for over 10 years and making 21 successful defences before moving up to light-heavyweight. As his super-middleweight and light-heavyweight reigns overlapped, he retired with the longest continual time as world champion of any active fighter.
Document 10: James Obede Toney: James Obede "Hot Ice" Toney ( (1980--) 05 1980 (age (2017)-(1980)-((11)<(08)or(11)==(08)and(30)<(05)) ) ) born in Accra is a Ghanaian professional middle/super middle/light heavy/cruiserweight boxer of the 2000s and 2010s who won the African Boxing Union (ABU) middleweight title, World Boxing Council (WBC) International middleweight title, and Commonwealth middleweight title, and was a challenger for the World Boxing Council (WBC) International middleweight title against Sergey Tatevosyan, and North American Boxing Federation (NABF) super middleweight title, North American Boxing Association (NABA) super middleweight title, and World Boxing Council (WBC) Continental Americas super middleweight title, against Lucian Bute, his professional fighting weight varied from 157 lb , i.e. middleweight to 185 lb , i.e. cruiserweight.
Document 11: Alexander Povetkin: Alexander Vladimirovich "Sasha" Povetkin ( ; Russian: Алекса́ндр Влади́мирович Пове́ткин ; born 2 September 1979) is a Russian professional boxer who held the WBA (Regular) heavyweight title from 2011 to 2013. As an amateur he won a gold medal in the super-heavyweight division at the 2004 Olympics, gold at the 2003 World Championships, and consecutive gold at the 2002 and 2004 European Championships. Povetkin is known as a physically strong, hard-hitting and skilled pressure fighter.
Document 12: Dariusz Michalczewski: Dariusz Michalczewski (born 5 May 1968) is a Polish-German former professional boxer who competed from 1991 to 2005. He is a two-weight world champion, having held multiple world titles at light-heavyweight, including the WBO title from 1994 to 2003; the unified WBA, IBF, and lineal titles in 1997; and the WBO junior-heavyweight title from 1994 to 1995.
Document 13: Scott Dixon (boxer): "Super" Scott Dixon ( (1976--) 28 1976 (age (2017)-(1976)-((11)<(09)or(11)==(09)and(30)<(28)) ) ) born in Hamilton is a Scottish professional feather/super feather/light/light welter/welter/light middle/middle/super middleweight boxer of the 1990s, 2000s and 2010s, who won the British Boxing Board of Control (BBBofC) Scottish Area welterweight title, World Boxing Board (WBB) welterweight title, World Boxing Union (German Version) super middleweight title, and Commonwealth welterweight title, and was a challenger for the World Athletic Association (WAA) welterweight title against Michael Carruth, BBBofC British welterweight title against Derek Roche, World Boxing Federation (WBF) light middleweight title against Steve Roberts, World Boxing Organization (WBO) Inter-Continental light middleweight title against Anthony Farnell, and World Boxing Union (WBU) light middleweight title against Mehrdad Takalobigashi, his professional fighting weight varied from 125 lb , i.e. featherweight to 167+1/2 lb , i.e. Super middleweight.
Document 14: Dean Francis: Dean "Star" Francis ( (1974--) 23 1974 (age (2017)-(1974)-((11)<(01)or(11)==(01)and(30)<(23)) ) ) is an English professional super middle/light heavy/cruiserweight boxer of the 1990s, 2000s and 2010s who has won the British Boxing Board of Control (BBBofC) British super middleweight, BBBofC English cruiserweight title, European Boxing Union (EBU) super middleweight title, World Boxing Organization (WBO) Inter-Continental super middleweight title, International Boxing Organization (IBO) Inter-Continental light heavyweight title, BBBofC British light heavyweight title, British Masters light-heavy title, and Commonwealth super middleweight title, and was a challenger for the World Boxing Council (WBC) International super middleweight title against Jaffa Ballogou, BBBofC British super middleweight title against Matthew Barney, his professional fighting weight has varied from 167 lb , i.e. super middleweight to 181 lb , i.e. cruiserweight.
Document 15: Andre Thysse: Andre Thysse ( (1968--) 07 1968 (age (2017)-(1968)-((11)<(02)or(11)==(02)and(30)<(07)) ) ) born in Germiston, is a South African professional super middle/light heavyweight boxer of the 1990s and 2000s who won the Gauteng super middleweight Title, South African super middleweight title, and Commonwealth super middleweight title, and was a challenger for the International Boxing Organization (IBO) super middleweight title against Brian Magee, World Boxing Council (WBC) super middleweight title against Markus Beyer, World Boxing Council (WBC) International super middleweight title against Mikkel Kessler, WBC International super middleweight title against Jürgen Brähmer, World Boxing Council (WBC) Continental Americas super middleweight title against Lucian Bute, World Boxing Council (WBC) International light heavyweight title against Adrian Diaconu, and International Boxing Federation (IBF) Australasian super middleweight title against Sakio Bika, his professional fighting weight varied from 163+3/4 lb , i.e. super middleweight to 175 lb , i.e. light heavyweight.
ground_truth: Danish