Phyllogomphus selysi is a species of dragonfly in the family Gomphidae.
 It is found in Angola, Botswana, Cameroon, the Republic of the Congo, the Democratic Republic of the Congo, Kenya, Malawi, Mozambique, Namibia, South Africa, Tanzania, Uganda, Zambia, Zimbabwe, and possibly Burundi.
 Its natural habitat is rivers.
Heliaeschna trinervulata is a species of dragonfly in the family Aeshnidae.
 It is known commonly as the pale duskhawker.
 This dragonfly is found in Cameroon, the Democratic Republic of the Congo, Malawi, Mozambique, Tanzania, Uganda, Zambia, and possibly Nigeria.
 Its natural habitat is subtropical or tropical moist lowland forests.
Luanda, formerly named São Paulo da Assunção de Loanda, is the capital and largest city in Angola, and the country's most populous and important city, primary port and major industrial, cultural and urban centre.
 Located on Angola's coast with the Atlantic Ocean, Luanda is both Angola's chief seaport and its administrative centre.
 It has a metropolitan population of over 6 million.
 It is also the capital city of Luanda Province, and the world's fourth most populous Portuguese-speaking city, behind only São Paulo, Rio de Janeiro, and Salvador, Bahia all in Brazil, and the most populous Portuguese-speaking capital city in the world, ahead of Brasília, Maputo and Lisbon.
Delta Amacuro State (Spanish: "Estado Delta Amacuro" , ] ) is one of the 23 states of Venezuela, and is the location of the Orinoco Delta.
 The Paria Gulf and the Atlantic Ocean are found to the north, Bolívar State is found to the south, the Atlantic Ocean and Guyana are found to the east, and Monagas State is found to the west.
 The state capital city is Tucupita.
Namibia is a country in southern Africa whose western border is the Atlantic Ocean.
 It shares land borders with Zambia and Angola to the north, Botswana to the east and South Africa to the south and east.
 Although it does not border Zimbabwe, a part of less than 200 metres of the Zambezi River (essentially a small bulge in Botswana to achieve a Botswana/Zambia micro-border) separates the two countries.
 Namibia gained independence from South Africa on 21 March 1990, following the Namibian War of Independence.
 Its capital and largest city is Windhoek, and it is a member state of the United Nations (UN), the Southern African Development Community (SADC), the African Union (AU), and the Commonwealth of Nations.
The list below contains threatened mammals that dwell in or migrate to any region in Europe, the East Atlantic Ocean, and any nearby islands of the Atlantic Ocean.
 This includes mammals that are found in the East Atlantic Ocean (Azores), Iceland, the Adriatic Sea, the Sea of Azov, the Black and Caspian Sea, Corsica, Cyprus, Palearctic, Russia, Eurasia, North African Coast, the Mediterranean Sea and islands located in the Mediterranean Sea, and the islands of Spain (Canary, Balearic).
 The list below was compiled from data on the IUCN Red List of Endangered Species (IUCN).
 The International Union for Conservation of Nature identifies species in need of attention before approaching extinction and works to increase prevention of extinction.
 The list below includes vulnerable (VU), endangered (EN), critically endangered (CR), and recently extinct (EX) species.
Graneledone yamana is a species of octopus in the genus "Graneledone".
 "G. yamana" is assigned to this genus because of the absence of an ink sac and crop, the presence of cartilaginous warts covering the body cavity, uniserial suckers on the arms, and a reduced radula.
 This genus has been found in the deep waters of the Atlantic Ocean near hydrothermal vents. Its identifying characteristics are papillose skin, two horns located above the eyes, small gills, and five to seven lamellae located on the outside of the demibranch.
 The arms of "G. yamana" have 35–80 suckers on the females and 26–70 on the males.
 This species is known from the southwest Atlantic Ocean off the coasts of Uruguay, Argentina, and southern Brazil.
 "G. yamana" is the fifth species of "Graneledone" found in the southern oceans.
 "G. yamana" physically resembles the species "Graneledone verrucosa", except the cartilaginous warts on the body cavities of both these species differ.
 "G. verruscosa" is also found in the North Atlantic Ocean instead of the South.
Namibia ( , ), officially the Republic of Namibia (German:    ; Afrikaans: "Republiek van Namibië" ) is a country in southern Africa whose western border is the Atlantic Ocean.
 It shares land borders with Zambia and Angola to the north, Botswana to the east and South Africa to the south and east.
 Although it does not border Zimbabwe, a part of less than 200 metres of the Zambezi River (essentially a small bulge in Botswana to achieve a Botswana/Zambia micro-border) separates the two countries.
 Namibia gained independence from South Africa on 21 March 1990, following the Namibian War of Independence.
 Its capital and largest city is Windhoek, and it is a member state of the United Nations (UN), the Southern African Development Community (SADC), the African Union (AU), and the Commonwealth of Nations.
Angola , officially the Republic of Angola (Portuguese: "República de Angola" ] ; Kikongo, Kimbundu and Umbundu: "Repubilika ya Ngola"), is a country in Southern Africa.
 It is the seventh-largest country in Africa and is bordered by Namibia to the south, the Democratic Republic of the Congo to the north, Zambia to the east, and the Atlantic Ocean to west.
 The exclave province of Cabinda has borders with the Republic of the Congo and the Democratic Republic of the Congo.
 The capital and largest city of Angola is Luanda.
Phyllogomphus annulus is a species of dragonfly in the family Gomphidae.
 It is found in Angola, the Democratic Republic of the Congo, and Uganda.
 Its natural habitats are subtropical or tropical moist lowland forests and intermittent rivers.

Question: What is the capital city of the country, bordred by the Atlantic ocean and Zambia, and where the Phyllogomphus selysi species of dragonfly can be found?
Answer: Luanda