Question: Which African prime minister first came to power in the country of the body of water by Fort Ruychaver?

full_context: Document 1: Economic Community of West African States: President Country In office Inaugural holder Aboubakar Diaby Ouattara Ivory Coast January 1977 -- 1985 Momodu Munu Sierra Leone 1985 -- 1989 Abass Bundu Sierra Leone 1989 -- 1993 Édouard Benjamin Guinea 1993 -- 1997 Lansana Kouyaté Guinea September 1997 -- 31 January 2002 Mohamed Ibn Chambas Ghana 1 February 2002 -- 31 December 2007 Mohamed Ibn Chambas Ghana 1 January 2007 -- 18 February 2010 Victor Gbeho Ghana 18 February 2010 -- 1 March 2012 Kadré Désiré Ouedraogo Burkina Faso 1 March 2012 -- 4 June 2016 Marcel Alain de Souza Benin 4 June 2016 -- present
Document 2: Ankobra River: The Ankobra River is primarily situated in Ghana. Rising north east of Wiawso, it flows about south to the Gulf of Guinea. Its entire course is in south Ghana.
Document 3: Nkawie: Nkawie is a large agrarian and service town and the capital of Atwima Nwabiagya Municipality, a district in the Ashanti Region of Ghana. Nkawie is located on the western stretch of the Kumasi Bibiani road and bounded by two other major towns. - Toase and Abuakwa. It is home to prosperous business men in Ghana. There is a government hospital, a fire service station, a secondary technical institution and other government institutions like the courts, education offices, health insurance office, post office and the new immigration offices. The Forestry Commission is the second highest revenue earner in the forestry services in Ghana. The Owabi dam also supplies water to the south of the municipality. The famous Barekese dam also located in the Municipality supplies water to about 75% of Kumasi. Politically, the Town is an electoral bank for the New Patriotic Party. Nkawie is the home town of former Ghanaian president John Kufuor.
Document 4: President of Ghana: The President of the Republic of Ghana is the elected head of state and head of government of Ghana, as well as Commander - in - Chief of the Ghana Armed Forces. The current President of Ghana is Nana Akufo - Addo, who won the 2016 presidential election against the incumbent, John Dramani Mahama, by a margin of 9.45%. Nana Akufo - Addo was sworn into office on 7 January 2017.
Document 5: Rhine: A regulation of the Rhine was called for, with an upper canal near Diepoldsau and a lower canal at Fußach, in order to counteract the constant flooding and strong sedimentation in the western Rhine Delta. The Dornbirner Ach had to be diverted, too, and it now flows parallel to the canalized Rhine into the lake. Its water has a darker color than the Rhine; the latter's lighter suspended load comes from higher up the mountains. It is expected that the continuous input of sediment into the lake will silt up the lake. This has already happened to the former Lake Tuggenersee.
Document 6: Dadanawa Ranch: Dadanawa Ranch is located on the Rupununi River in the Rupununi savannah in the Upper Takutu-Upper Essequibo Region of Guyana. It is the largest and most isolated cattle ranch in Guyana.
Document 7: Gambia River: The Gambia River (formerly known as the River Gambra) is a major river in West Africa, running from the Fouta Djallon plateau in north Guinea westward through Senegal and the Gambia to the Atlantic Ocean at the city of Banjul. It is navigable for about half that length.
Document 8: Forçados: Forçados is a small town in Burutu LGA of Delta State, Nigeria. It is most noted for the Forcados River which is a major navigable channel of the Niger Delta, southern Nigeria. The river start about downstream from Aboh and flows through zones of freshwater swamps, mangrove swamps, and coastal sand ridges before completing its course to the Bight of Benin.
Document 9: Rhine: Between Bingen and Bonn, the Middle Rhine flows through the Rhine Gorge, a formation which was created by erosion. The rate of erosion equaled the uplift in the region, such that the river was left at about its original level while the surrounding lands raised. The gorge is quite deep and is the stretch of the river which is known for its many castles and vineyards. It is a UNESCO World Heritage Site (2002) and known as "the Romantic Rhine", with more than 40 castles and fortresses from the Middle Ages and many quaint and lovely country villages.
Document 10: Atakora River: The Atakora River is a tributary of Lake Volta in Ghana, it flows about 60 km east to the Lake Volta. Its entire course is in south Ghana.
Document 11: Jerry Rawlings: Jerry John Rawlings President of Ghana (1st President of the 4th Republic) In office 7 January 1993 -- 7 January 2001 Vice President Kow Nkensen Arkaah (1993 -- 1997) John Atta Mills (1997 -- 2001) Preceded by Himself Succeeded by John Agyekum Kufuor Chairperson of ECOWAS In office 1994 -- 1996 Head of State of Ghana In office 31 December 1981 -- 7 January 1993 Vice President None Preceded by Hilla Limann Head of State of Ghana In office 4 June 1979 -- 24 September 1979 Preceded by General Fred Akuffo Succeeded by Hilla Limann Personal details (1947 - 06 - 22) 22 June 1947 (age 71) Accra, Gold Coast (now Ghana) Political party military -- AFRC (1979) military -- PNDC (1981 -- 93) Multi-Party Democracy -- NDC (1993 -- 2001) Spouse (s) Nana Konadu Agyeman Rawlings Children 5 Profession Fighter pilot Awards UDS Honorary Award Military service Allegiance Ghana Service / branch Ghana Air Force Years of service 1968 -- 92 Rank Flight Lieutenant
Document 12: Fort Ruychaver: One possibility is that Fort Ruychaver was situated on the right bank of the Ankobra River, opposite the Bonsa River, in the Egwira Region. Doorman, among others, was of this school.
Document 13: Great Kwa River: The Great Kwa River (also called "Kwa Ibo River" or "Kwa River") flows through Cross River State, Nigeria, draining the east side of the city of Calabar. The river ecology is under threat from human activity.
Document 14: Komoé River: The Komoé River, or Comoé River. is a river in West Africa. The river originates on the Sikasso Plateau of Burkina Faso, flow through the Cascades de Karfiguéla, forms a short section of the border between Burkina Faso and Ivory Coast until it enters Ivory Coast, where it is the major drainage for northeastern portion of that country before emptying into the Atlantic. The banks of the Komoé are shaded by riparian forests along most of it length providing an important habitat for wildlife and a source of agricultural water. Where reliable floodplains form in Ivory Coast, rice may be grown. A portion of the river in northern Ivory Coast is the source of the vegetative richness that earned that area a UNESCO World Heritage Site designation, Comoé National Park.
Document 15: Aliu Mahama: Alhaji Aliu Mahama (3 March 1946 – 16 November 2012) was a Ghanaian politician who was Vice-President of Ghana from 7 January 2001 to 7 January 2009. A member of the New Patriotic Party, he was Ghana's first Muslim Vice-President.
ground_truth: Jerry John Rawlings
sub_queries: Which is the body of water by Fort Ruychaver? Answer: Ankobra River
Ankobra River >> country Answer: Ghana
the african prime minister who first came to power in Ghana Answer: Jerry John Rawlings