Question: South Tongu in the district that has a capital of what city?

full_context: Document 1: South Tongu (Ghana parliament constituency): South Tongu is one of the constituencies represented in the Parliament of Ghana. It elects one Member of Parliament (MP) by the first past the post system of election. South Tongu is located in the South Tongu district of the Volta Region of Ghana.
Document 2: North Tongu (Ghana parliament constituency): North Tongu is one of the constituencies represented in the Parliament of Ghana. It elects one Member of Parliament (MP) by the first past the post system of election. North Tongu is located in the North Tongu district of the Volta Region of Ghana.
Document 3: Sogakope: Sogakope is the capital of South Tongu district, a district in the Volta Region of Ghana. It is home to the lower Volta Bridge which connects Sogakope to Sokpoe. The town is mostly known for its river tourism. It is home to the Holy Trinity Spa, Cisneros Villa Hotel and other notable resorts including Shekinah Glory Hotel, Sogakope Resort etc. Most commuters plying the Accra to Aflao road usually stop over to buy snacks and bread. The town is mostly known for bread baking as well.
Document 4: Denu: Denu is a small town which is the capital of Ketu South Municipal, a district on the south-eastern corner of the Volta Region of Ghana, near the Ghana–Togo border. The name Denu literally means "by the palm nut".
Document 5: Central Tongu: Central Tongu is one of the constituencies represented in the Parliament of Ghana. It elects one Member of Parliament (MP) by the first past the post system of election. Central Tongu is located in the North Tongu district of the Volta Region of Ghana.
Document 6: Akatsi District: The Akatsi District was one of 18 districts in the Volta Region of Ghana. Its capital and administrative centre was Akatsi. As of 2012, this district was divided into two, resulting in the Akatsi North District and the Akatsi South District.
Document 7: Dome-Kwabenya: Dome Kwabenya is one of the constituencies represented in the Parliament of Ghana. It elects one Member of Parliament (MP) by the first past the post system of election. Dome Kwabenya is located in the Ga East district of the Greater Accra Region of Ghana.
Document 8: Sokpoe: Sokpoe is a small town located near Sogakope in the Volta Region of Ghana.
Document 9: Vume: Vume is a small town in the South Tongu District of the Volta Region near Sogakope. The residents of Vume are well noted for the art of pottery.
Document 10: Tsonga people: Tonga, Thonga or Tsonga people (Tsonga: "Vatsonga" ) and languages span most of southern Africa, notable countries being South Africa, Swaziland, Mozambique, Malawi, Zambia and Zimbabwe. In these countries, there are regions where one or more languages and/or dialects are more dominant. For example, in South Africa, Tsonga people are mainly found in the Limpopo, Mpumalanga, KwaZulu-Natal and Gauteng provinces, with smaller populations in North-West and Free State. Within these provinces, there are towns and cities where they are most prevalent, although this is continually changing in the new South Africa as black people can now move freely. Most or all of southern Mozambique is inhabited by Tsonga people, variously named as Copi, Rhonga, Ndzawu, Tonga, Shangana, and Tshwa. Historically and currently the Tsonga people in Mozambique are between the Limpopo and Save rivers. Their density lowers between Save and Zambezi, where the Tsonga/Shona group of Ndau starts to dominate. The provinces are Maputo, Maputo City, Inhambane, Manica, Gaza, and Sofala.
Document 11: South Tongu District: The South Tongu District is one of the twenty-five (25) districts in the Volta Region. South Tongu capital and administrative centre is Sogakope.
Document 12: Akatsi North: Akatsi North is one of the constituencies represented in the Parliament of Ghana. It elects one Member of Parliament (MP) by the first past the post system of election. Akatsi North is located in the Akatsi North district of the Volta Region of Ghana. It was created in 2012 by the Electoral Commission of Ghana prior to the Ghanaian general election.
Document 13: Adenta (Ghana parliament constituency): Adenta is one of the constituencies represented in the Parliament of Ghana. It elects one Member of Parliament (MP) by the first past the post system of election. Adenta is located in the Ga East district of the Greater Accra Region of Ghana.
Document 14: Adidome: Adidome is a small town and is the capital of Central Tongu district, a district in the Volta Region of Ghana.
Document 15: North Tongu District: The North Tongu District is one of the twenty-five (25) districts in the Volta Region. North Tongu district capital and administrative centre is Battor Dugame.
ground_truth: Sogakope