Question: What is the twin of the capitol of the Democratic Republic of the Congo?

full_context: Document 1: Child labour: In 2008, Bloomberg claimed child labour in copper and cobalt mines that supplied Chinese companies in Congo. The children are creuseurs, that is they dig the ore by hand, carry sacks of ores on their backs, and these are then purchased by these companies. Over 60 of Katanga's 75 processing plants are owned by Chinese companies and 90 percent of the region's minerals go to China. An African NGO report claimed 80,000 child labourers under the age of 15, or about 40% of all miners, were supplying ore to Chinese companies in this African region. Amnesty International alleged in 2016 that some cobalt sold by Congo Dongfang Mining was produced by child labor, and that it was being used in lithium-ion batteries powering electric cars and mobile devices worldwide.
Document 2: Republic of the Congo: In the early 1980s, rapidly rising oil revenues enabled the government to finance large-scale development projects with GDP growth averaging 5% annually, one of the highest rates in Africa. The government has mortgaged a substantial portion of its petroleum earnings, contributing to a shortage of revenues. January 12, 1994 devaluation of Franc Zone currencies by 50% resulted in inflation of 46% in 1994, but inflation has subsided since.
Document 3: Republic of the Congo: The Republic of the Congo's sparse population is concentrated in the southwestern portion of the country, leaving the vast areas of tropical jungle in the north virtually uninhabited. Thus, Congo is one of the most urbanized countries in Africa, with 70% of its total population living in a few urban areas, namely in Brazzaville, Pointe-Noire or one of the small cities or villages lining the 534-kilometre (332 mi) railway which connects the two cities. In rural areas, industrial and commercial activity has declined rapidly in recent years, leaving rural economies dependent on the government for support and subsistence.
Document 4: Democratic Republic of the Congo: The Democratic Republic of the Congo is extremely rich in natural resources but has had political instability, a lack of infrastructure, issues with corruption and centuries of both commercial and colonial extraction and exploitation with little holistic development. Besides the capital Kinshasa, the two next largest cities Lubumbashi and Mbuji - Mayi are both mining communities. DR Congo's largest export is raw minerals, with China accepting over 50% of DRC's exports in 2012. In 2016, DR Congo's level of human development was ranked 176th out of 187 countries by the Human Development Index. As of 2018, around 600,000 Congolese have fled to neighbouring countries from conflicts in the centre and east of the DRC. Two million children risk starvation, and the fighting has displaced 4.5 million people.
Document 5: Republic of the Congo: The economy is a mixture of village agriculture and handicrafts, an industrial sector based largely on petroleum, support services, and a government characterized by budget problems and overstaffing. Petroleum extraction has supplanted forestry as the mainstay of the economy. In 2008, oil sector accounted for 65% of the GDP, 85% of government revenue, and 92% of exports. The country also has large untapped mineral wealth.
Document 6: Barly Baruti: Baruti Kandolo Lilela, better known by his pen name Barly Baruti (born December 9, 1959, in Kisangani, in what was then the Congo-Léopoldville), is a Congolese (DRC) cartoonist. He has been described by the British Broadcasting Corporation as "the Congolese author best known outside his country".
Document 7: Fababy: Fababy released his first solo music video titled, "Fuck L'amour" (Fuck Love) on 14 February 2011, one year after his first collaborative video. He also featured on the rap album "Biography of Seven" and released a clip entitled "L'etat nous baratine" on 31 March as a collaboration with French rap artist Seven. Shortly after, he released another clip "Crie 93" exclusively on rap website Booska-p. Fababy then signed on with recording label Banlieue Sale, run by French rapper La Fouine.
Document 8: Rigo Star: Rigobert Bamundele, best known as Rigo Star, is an appreciated soukous guitarist and composer from DR Congo, now based in Paris. He has played with several major soukous and world music acts, including Papa Wemba's Viva La Musica, Bozi Boziana's Anti-Choc, Kanda Bongo Man, Koffi Olomide, Kelele, Kékélé, and Paul Simon. His name is mostly associated with Congolese female singer M'bilia Bel, with whom he collaborated almost exclusively throughout the 1990s. He has also released a few solo works, including the 1998 album "Attention!" with Sam Mangwana on vocals.
Document 9: Caconda: The Caconda region was severely affected by the Angolan Civil War. It is an extremely poor area, with a more than 20% malnutrition rate and many families living on subsistence farming. A large number of people was displaced during the civil war. The United Nations relief program and the World Food Program have been essential in addressing the humanitarian catastrophe.
Document 10: Gabon: Abundant petroleum and foreign private investment have helped make Gabon one of the most prosperous countries in Sub-Saharan Africa, with the 7th highest HDI and the fourth highest GDP per capita (PPP) (after Mauritius, Equatorial Guinea and Seychelles) in the region. GDP grew by more than 6% per year from 2010 to 2012. However, because of inequality in income distribution, a significant proportion of the population remains poor.
Document 11: Réservé aux indiens: Réservé aux indiens "(Only Indians allowed)" is a compilation of unreleased songs by French rocker Alain Bashung, issued in early 1993 on Barclay Records as part of the reissues of Bashung material on CD format. It contains 12 titles: 3 unreleased studio songs (including a cover), 6 instrumentals, 2 songs from original soundtracks and 1 traditional German song.
Document 12: XCiTés: XCiTés: the Flamingo Book of New French Writing is an anthology edited by Georgia de Chamberet of French writing in translation which "aims to smash the stereotypes" by a new generation of writers who were unpublished in English at the time of publication (2000). The book includes stories by Frédéric Beigbeder, Mehdi Belhaj Kacem, Tonino Benacquista, Marie Desplechin, Ilan Duran Cohen, Agnès Desarthe, Virginie Despentes, Guillaume Dustan, Eric Faye, Michel Houellebecq, Mathieu Kassovitz, Mathieu Lindon, Mounsi, Lorette Nobécourt, Vincent Ravalec, Abdourahman Waberi. The INDEPENDENT said of it: "French society is diverse, richly multi-cultural - and the writing in this collection represents some of that diversity. If a writer is clearly wonderful - Abdourahman Waberi (originally from Djibouti) or Mounsi (Algerian) - then we want more. The last three inclusions - scenes from Mathieu Kassovitz's film La Haine, a piece on the house music scene by DJ Tov and an interview with Chelsea defender Marcel Desailly illustrate the point of this kind of new fiction which is to question traditional modes of publishing. The French are tired of their image."
Document 13: Riad Sattouf: Riad Sattouf was born in Paris, to a Syrian father and French mother, and spent his childhood in Libya and Syria, then returned to France to spend his teenage years in Brittany, studying in Rennes. An avid reader of cartoon books and periodicals, sent to him by his grandmother, he was fascinated by them. Although he was studying to become a pilot, he applied to study at École Pivaut and then Gobelins L'Ecole de L'Image to study animation. The famous cartoonist Olivier Vatine noticed his talent and introduced him to Guy Delcourt, the owner of Delcourt, a publisher specializing in cartoons. Delcourt published Sattouf's first book "Petit Verglas" based on a story line by Éric Corbeyran.
Document 14: Despo Rutti: Spending his life in Kinshasa and in Brazzaville, he immigrated to France in 1992. He released his first recordings in 1999 "Tout c’que j'n'aurais pas" and "Les reufs meurent" and was featured in a number of rap compilations through producer Fabrice Yahiaoui and label Hématome Concept eventually signing with label Soldat Sans Grade Records releasing "Les sirènes du charbon" on 28 November 2006, as a double CD, being an EP of 9 titles and a street album mixed by DJ Boudj. It denounced the social inequalities and a protest for expulsion of immigrants. It was followed by another provocative release, "Convictions suicidaires", his debut studio full album treating taboo subjects of French society including national identity in face of changing immigration trends. This was followed by the mixtape "Discographie parallèle" mixed by DJ Uka and highlighting a number of collaborations.
Document 15: Diwân: Diwân is a studio album released in 1998 by Franco-Algerian raï artist Rachid Taha. In contrast to his earlier releases, Diwân contains less rock and punk music, and features more traditional Arabic instruments. Many of the songs are about the founding fathers of raï music, and the lyrics are in Arabic and French.
ground_truth: Brazzaville
sub_queries: name of the capital city of the democratic republic of the congo Answer: Kinshasa
Kinshasa >> twinned administrative body Answer: Brazzaville