Question: Silvan Lutz won a gold medal in the 4 x 400 metres relay at a 2017 event hosted in what country?

Documents:
source: Silvan Lutz
text: Silvan Lutz Silvan Lutz (born 17 October 1990) is a Swiss sprinter specialising in the 400 metres. He won a gold medal in the 4 × 400 metres relay at the 2017 Jeux de la Francophonie. He also competed at two consecutive European Championships.

source: 2017 Jeux de la Francophonie
text: 2017 Jeux de la Francophonie The 2017 Jeux de la Francophonie, also known as "VIIIèmes Jeux de la Francophonie" (French for "8th Francophone Games"), will be held in Abidjan, Ivory Coast, from July 21–30. This will be the first edition of the games to be hosted in Ivory Coast.

source: Margaret Stride
text: Margaret Stride Margaret Stride (born 21 December 1954) is a Canadian sprinter. She competed in the women's 400 metres at the 1976 Summer Olympics. She won a gold medal in the 1975 Pan American Games 4 × 400 metres relay (with Joyce Sadowick, Rachelle Campbell and Joanne McTaggart). At the 1975 Pan American Games Stride, while competing under her maiden name McGowen, finished sixth in the 400 metres. She also won bronze medals in the 4 x 400 metres relay at the 1974 British Commonwealth Games and 1978 Commonwealth Games.

source: Tracy Goddard
text: Tracy Goddard Tracy Carol Joseph (née Goddard) (born 29 November 1969) is a British former athlete who competed in the 400 metres and 4 × 400 metres relay. She was part of the teams that came third in the 4 x 400 metres relay at the 1993 World Championships in Stuttgart, and won the 4 x 400 metres relay at the 1994 Commonwealth Games in Victoria, British Columbia, Canada.

source: Che Mian
text: Che Mian He competed in the 2004 Summer Paralympics in Athens, Greece. There he won a silver medal in the men's 4 x 100 metre relay - T35-38 event, a silver medal in the men's 4 x 400 metre relay - T35-38 event, a bronze medal in the men's 100 metres - T36 event, finished sixth in the men's 200 metres - T36 event and finished fourth in the men's 400 metres - T36 event. He also competed at the 2008 Summer Paralympics in Beijing, China. There he won a silver medal in the men's 4 x 100 metre relay - T35-38 event, a bronze medal in the men's 200 metres - T36 event, a bronze medal in the men's 400 metres - T36 event and finished sixth in the men's 100 metres - T36 event

source: Musa Audu
text: Musa Audu Musa Audu (born June 18, 1980) is a Nigerian athlete who specializes in 400 metres. He is notable for winning the bronze medal in the 2004 Olympics 4 x 400 metres relay as part of the Nigerian team and the silver medal in the 2003 All-Africa Games 4 x 400 metres relay as part of the Nigerian team too.

source: Stephenie Ann McPherson
text: Stephenie Ann McPherson Stephenie Ann McPherson (born 25 November 1988) is a Jamaican track and field athlete, who specializes in the 400 metres. McPherson competed in the 400 metres at the 2013 World Championships in Athletics where she finished third. McPherson is also a silver medalist from the 2014 IAAF World Indoor Championships as a member of the 4 x 400 metres relay team. In capping what has been a medal rich year, Stephenie won two gold medals at the 2014 Commonwealth Games in the individual 400 metres and 4 x 400 metres. Within that same year she also achieved a gold medal at the IAAF Continental Cup as a part of Team America in the 4 × 400 m.

source: Rachelle Campbell
text: Rachelle Campbell Rachelle Campbell (born 30 October 1956) is a Canadian sprinter. She competed in the women's 400 metres at the 1976 Summer Olympics. She won a gold medal in the 1975 Pan American Games 4 × 400 metres Relay (with Joyce Sadowick, Margaret McGowen and Joanne McTaggart). Campbell also won a bronze medal in the 4 x 400 metres relay at the 1978 Commonwealth Games.

source: Eilidh Doyle
text: Eilidh Doyle Eilidh Doyle (pronounced AY-lee; née Child; born 20 February 1987) is a Scottish track and field athlete who specialises in the 400 metres hurdles and the 4 x 400 metres relay. She represented Great Britain at the 2012 Olympic Games in London, and won an Olympic bronze medal in the 4 x 400 metres relay at the 2016 Games in Rio de Janeiro.

source: Perri Shakes-Drayton
text: Perri Shakes-Drayton Peirresha Alexandra Shakes-Drayton (born 21 December 1988) is a British track and field athlete who competes in the 400 metres hurdles and the 400 metres sprint. A knee injury at the 2013 World Championships forced Shakes-Drayton to switch events upon her return to athletics. She is the 2013 European Indoor Champion in the 400 metres and won a 2012 World Indoor Championship gold medal in the 4 x 400 metres relay. She has also won silver and bronze medals in the 4 x 400m relay at the World Championships.

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Answer: Ivory Coast