question: Which country Robert Nihon's father is from?
context: [["Robert Nihon", ["Robert Alexis \"Bob\" Nihon (born July 4, 1950 \u2013 August 10, 2007) was a Canadian businessman, one of the heirs of the Nihon family fortune and former wrestler.", "He was Alexis Nihon's son along with his brother Alexis Nihon Jr., and eventually inherited a part of his father's fortune.", "Robert Nihon lived in Lyford Cay, Bahamas where he was known to spend time on his yacht.", "He also competed at the 1968 Summer Olympics in Mexico City along with his brother Alexis as a freestyle wrestler."]], ["Robert de Ho", ["Robert de Ho( c. 1140-1210) was a twelfth century writer of Anglo- Norman literature known for\" Enseignements Trebor\".", "Trebor is Robert spelled backward and was for his son."]], ["Ali Rahuma", ["Ali Khalifa Rahuma( born May 16, 1982) is a Libyan football midfielder who's nationality is Libyan.", "He currently plays for Al- Ittihad, and is a member of the Libya national football team."]], ["Alexis Nihon", ["Alexis Louis Nihon, (May 15, 1902 \u2013 April 8, 1980) was a Belgian-born Canadian inventor and businessman."]], ["Dino \u0160pehar", ["Dino \u0160pehar( born 8 February 1994) is a Croatian football forward, currently playing for iClinic Sere\u010f.", "His father is Robert \u0160pehar, former Croatian international footballer and the ex-chairman of NK Osijek."]], ["Tormod Hermansen", ["Tormod Hermansen( born 23 April 1940) is a former CEO of Telenor and State Secretary of Finansdepartementet( 1978 \u2013 1979).", "His brother is Robert Hermansen."]], ["Martin Sch\u00e4uble", ["Martin Sch\u00e4uble( born December 1978) is a German novelist, journalist and writer of non-fiction books.", "His pen name is Robert M. Sonntag.", "His works have been translated into several languages."]], ["Asegun Henry", ["Asegun Sekou Famake Henry is a Robert N. Noyce Career Development Professor in mechanical engineering at Massachusetts Institute of Technology.", "His research is focused on energy storage, heat transfer, and phonons."]], ["Cynthia W. Shelmerdine", ["Cynthia Wright Shelmerdine is an American classicist and archaeologist, known for her researches into Mycenaean culture and history.", "She is Robert M. Armstrong Centennial professor emerita at the University of Texas, Austin."]], ["Alexis Nihon Jr.", ["Alexis Joseph Nihon Jr.( January 10, 1946 \u2013 February 24, 2013) was an Olympic wrestler for the Bahamas.", "Born in Montreal, Quebec, Canada, he competed at the 1968 Summer Olympics.", "His brother Robert Nihon, who was also a wrestler also competed at the same Olympics."]]]
supporting_facts: [["Robert Nihon", 1], ["Alexis Nihon", 0]]
evidences: [["Robert Nihon", "father", "Alexis Nihon"], ["Alexis Nihon", "country of citizenship", "Belgian"]]
answer: Belgian