Question: Who is prime minister of this West African country that covers 36125km2?

Context:
1981 WAFU Club Championship
The 1981 WAFU Club Championship was the fifth football club tournament season that took place for the runners-up of each West African country's domestic league, the West African Club Championship.
 It was won by Stella Club d'Adjamé in two-legged final victory against AS Police of Dakar, Senegal.
 Runner-up was AS Police of Senegal.
 Originally to be a 18 match season, after the forfeiture of Ghana's Eleven Wise, it was reduced to a 16 match season.
 A total of 34 goals were scored.
Guinea-Bissau
Guinea-Bissau ( ), officially the Republic of Guinea-Bissau (Portuguese: "República da Guiné-Bissau" , ] ), is a country in West Africa.
 It covers 36125 km2 with an estimated population of .
1985 WAFU Club Championship
The 1985 WAFU Club Championship was the ninth football club tournament season that took place for the runners-up of each West African country's domestic league, the West African Club Championship.
 It was won by Africa Sports in two-legged final victory against Ifodje Atakpamé.
1994 WAFU Club Championship
The 1994 WAFU Club Championship was the 17th football club tournament season that took place for the runners-up or third place of each West African country's domestic league, the West African Club Championship.
 It was won again by Nigeria's Bendel Insurance after defeating Plateau United in two legs, it was the first final that feature both clubs from a single country.
 A total of about 46 goals were scored, slightly more but not as much as it was in 1991.
 No penalty shootout took place that season not even a club advanced under away goals rule.
 Originally a 22 match season, it was reduced to a 16 match as the Gambia's Real de Banjul FC and Niger's Alkali Nassara withdrew, in the quaterfinals, Liberia's Mighty Barolle withdrew.
 Neither clubs from Senegal, Guinea-Bissau, Mauritania nor Ghana participated.
 From the quarterfinals, Bendel Insurance directly headed to the finals.
Paul Bérenger
Paul Raymond Bérenger GCSK, MP (born 26 March 1945) is a Mauritian politician who was Prime Minister of Mauritius from 2003 to 2005.
 He has been Leader of the Opposition on several occasions — from 1983 to 1987, 1997 to 2000, 2005 to 2006, 2007 to 2013, October 2013 to 15 September 2014, and again since December 2014.
 Following his party's defeat in the 2014 general elections, he became Leader of the Opposition for the sixth time, making him the longest ever to serve in this constitutional position.
 He was also Deputy Prime Minister from 1995 to 1997 and again from 2000 to 2003, and he was a cabinet minister in the government of Anerood Jugnauth in 1982 and 1991.
 Bérenger, a Christian of Franco-Mauritian descent, has been the only non-Hindu Prime Minister of Mauritius.
 He was also the first Caucasian politician to lead an African country since the end of colonial rule.
Umaro Sissoco Embaló
Umaro Mokhtar Sissoco Embaló (born 23 September 1972) has been the Prime Minister of Guinea-Bissau since 18 November 2016.
Ali Badjo Gamatié
Ali Badjo Gamatié is a Nigerien politician and civil servant who served as Prime Minister of Niger from October 2009 to February 2010.
 He was Finance Minister of Niger from 2000 to 2003 and then served as Vice-Governor of the Central Bank of West African States (BCEAO) before being appointed as Prime Minister by President Mamadou Tandja.
 Gamatié was Prime Minister for only a few months, however, as Tandja was overthrown in a February 2010 military coup.
1987 WAFU Club Championship
The 1987 WAFU Club Championship was the ninth football club tournament season that took place for the runners-up of each West African country's domestic league, the West African Club Championship.
 It was won again by Africa Sports after defeating Asante Kotoko from Ghana 6-5 in penalty shootouts as both clubs had two goals each in its two matches.
 A total of 45 goals were scored, a second consecutive one.
 Originally a 24 match season, as Sport Bissau e Benfica withdrew, Africa Sports automatically qualify in the quarterfinals.
 Imraguens de Nouadhibou started from the semis and lost to Africa Sports there in two matches.
1986 WAFU Club Championship
The 1986 WAFU Club Championship was the ninth football club tournament season that took place for the runners-up of each West African country's domestic league, the West African Club Championship.
 It was won again by Africa Sports after defeating Asante Kotoko from Ghana 6-5 in penalty shootouts as both clubs had two goals each in its two matches.
 A total of 45 goals were scored.
 Originally a 22 match season, as Sierra Leone's Real Republicans and ASC Police from Nouakchott, Mauritania withdrew, Asante Kotoko and Université du Benin FC (or University of Benin FC) automatically qualify in the quarterfinals.
Mahammed Dionne
Mahammed Boun Abdallah Dionne (born 22 September 1959) is a Senegalese politician who has served as the Prime Minister of Senegal since 6 July 2014.
 He is the third prime minister appointed by President Macky Sall.
 Dionne served at the Central Bank of West African States, the United Nations Industrial Development Organization (ONUDI), and as the President's adviser before his appointment as prime minister.
 He is a computer engineer by training.

Answer: Umaro Mokhtar Sissoco Embaló