Question: What capital city is Heli Malongo Airways located in?

Context paragraphs:
Quito: Quito (] ) (Quechua: "Kitu" ; Aymara: "Kitu" ), formally San Francisco de Quito, is the capital city of Ecuador, and at an elevation of 9350 ft above sea level, it is the second highest official capital city in the world after La Paz, Bolivia and the one which is closest to the equator.  It is located in the Guayllabamba river basin, on the eastern slopes of Pichincha, an active stratovolcano in the Andes mountains.  With a population of 2,671,191 according to the last census (2014), Quito is the second most populous city in Ecuador, after Guayaquil.  It is also the capital of the Pichincha province and the seat of the Metropolitan District of Quito.  The canton recorded a population of 2,239,191 residents in the 2010 national census.  In 2008, the city was designated as the headquarters of the Union of South American Nations.

Turin: Turin ( ; Italian: "Torino" , pronounced ] ; Piedmontese: "Turin", pronounced ] ) is a city and an important business and cultural centre in northern Italy.  It is the capital city of the Metropolitan City of Turin (an administrative division of Italy) and of the Piedmont region, and was the first capital city of Italy from 1861 to 1865.  The city is located mainly on the western bank of the Po River, in front of Susa Valley, and is surrounded by the western Alpine arch and Superga Hill.  The population of the city proper is 886,837 (31 December 2016) while the population of the urban area is estimated by Eurostat to be 1.7 million inhabitants.  The Turin metropolitan area is estimated by the OECD to have a population of 2.2 million.

Jicheng (Beijing): Ji (蓟/薊 Jì), Jicheng or the City of Ji (蓟城/薊城 Jìchéng) was an ancient city in northern China, which has become the longest continuously inhabited section of modern Beijing.  Historical mention of Ji dates to the founding of the Zhou Dynasty in about 1045 BC.  Archaeological finds in southwestern Beijing where Ji was believed to be located date to the Spring and Autumn period (771-476 BC).  The City of Ji served as the capital of the ancient states of Ji and Yan until the unification of China by the Qin Dynasty in 221 BC.  Thereafter, the city was a prefectural capital for Youzhou through the Han Dynasty, Three Kingdoms, Western Jin Dynasty, Sixteen Kingdoms, Northern Dynasties, and Sui Dynasty.  With the creation of a Jizhou (蓟州) during the Tang Dynasty in what is now Tianjin Municipality, the City of Ji took on the name Youzhou.  Youzhou was one of the Sixteen Prefectures ceded to the Khitans during the Five Dynasties.  The city then became the southern capital of the Liao Dynasty and then main capital of the Jin Dynasty (1115-1234).  In the 13th Century, Kublai Khan built a new capital city for the Yuan Dynasty adjacent to Ji to the north.  The old city of Ji became a suburb to Dadu.  In the Ming Dynasty, the old and new cities were merged by Beijing's Ming-era city wall.

Heli Malongo Airways: Heli Malongo Aviação e Serviços de Angola, Lda is an air charter operator headquartered in Luanda, Angola, which offers onshore and offshore flights in support of the oil industry in Angola from its base at Cabinda Airport.

History of Phitsanulok Province: The lands situated in the present-day Phitsanulok Province of Thailand have been inhabited since the stone age, although the neolithic inhabitants of the region are not likely to have been the ancestors of the modern Thai people who reside there today.  The earliest historical records relating to what is now Phitsanulok Province indicates that at a time prior to or during the 11th century, the present-day city of Phitsanulok was but a small strategic Khmer outpost known as "Song Khwae".  During the next century, in 1188, Nakhon Thai, located near the center of the present Phitsanulok Province, was established as the capital city of the Singhanavati Kingdom, an early city-state of Thailand.  Later, during Thailand's Sukhothai Period, the city of Phitsanulok emerged as a major city in the east of the Sukhothai Kingdom, and the great temples of Wat Chula Manee, Wat Aranyik and Wat Chedi Yod Thong were constructed.  In 1357, the renowned Wat Phra Sri Rattana Mahathat was erected, and the Ayutthaya Period witnessed the construction of several of the province's other chief temples.  Phitsanulok served for 25 years as the capital city of the Ayutthaya Kingdom.  In 1555, King Naresuan the Great was born in the city of Phitsanulok.  Naresuan played a significant role in the history of Thailand, as he expanded the kingdom (then called "Siam") to its greatest territorial extent, by conquering sizable portions of modern-day Burma and Cambodia.  In recent times, Phitsanulok Province has become an important agricultural center, part of the "Bread Basket of Thailand", providing rice and other crops to consumers in Thailand and throughout the world.  Extensive agricultural development over the last hundred years or so has spawned a modern infrastructure in the urban areas of the province, bringing with it an array of modern roads, universities, hospitals and other conveniences.  Over the years, the Nan River and its tributaries have played a substantial role in the history and development of the region by providing a route for transportation, fertile soil for agriculture, and water for irrigation.  The river waters have also served as a route for enemy invaders, and have been the source of periodic widespread flooding throughout the province.

Republic of Macedonia–Montenegro relations: Macedonia - Montenegro relations refer to foreign relations between Montenegro and the Republic of Macedonia.  The Macedonian Foreign Ministry states the two countries have excellent political ties, without any open issues between the two countries.  The embassy of the Republic of Macedonia to Montenegro is located in the capital city of Podgorica.  Montenegro's embassy in the Republic of Macedonia is also located in the country's capital city, which is Skopje.  Also, Montenegro has an honorary consulate in the city of Bitola.

Caruaru: Caruaru is a Brazilian municipality in the state of Pernambuco.  The most populous city in the interior of the state, Caruaru is located in the microzone of Agreste and because of its cultural importance, it is nicknamed "Capital do Agreste" (Portuguese for the "capital city of the Agreste region"), "Princesinha do Agreste" ("Little Princess of Agreste"), and "Capital do Forró" ("the capital city of "forró"").

Oredo: Oredo is a Local Government Area of Edo State, Nigeria.  Its headquarters are in Benin City.  Oredo is a local government in Edo State, and its capital city is Benin city which also the capital city of Edo State.  Benin city also remain the capital city of the Benin Empire.  The Oba Of Benin Omo' oba Erediauwa palace is also located here and many historic palaces and buildings are located in this city.  Oredo is home to many including the Oba Of Benin Omo Noba Nedo Uku Akpolokpolo Oba Erediauwa, Chief Sam Igbe who also is the Iyase Of Benin Kingdom late Chief Engineer Ima Igiehon, who was the Obaghayomwn of Benin Kingdom, Chief Gabriel Osawaru Igbinadion the Esama Of Benin Kingdom, Prince Adun Akenzua and many other prominent princes and chiefs.

Luanda: 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.

Turku sub-region: The Turku Region (Finnish: "Turun seutukunta" , Swedish: "Åbo ekonomiska region" ), The City Region of Turku (Finnish: "Turun kaupunkiseutu" , Swedish: "Åbo stadsregion" ) and Greater Turku (Finnish: "Suur-Turku" , Swedish: "Storåbo" ) all refer to regions of different size surrounding Turku, the capital city of the region of Southwest Finland.  The Turku Region is one of the Sub-regions of Finland.  It is located in the southwest of Finland and the area has around 300,000 inhabitants.  More exclusive urban area the "city region of Turku" with population around 235,000 and second highest population density (586/km²) among city regions.  The region has three universities and four polytechnics.  Biotechnology  and ICT  are one of their most important sectors.  In fact the largest bio-industrial cluster in Finland locates in Turku, as well as from Turku to Salo is one of the principal concentrations of ICT in Finland.  Because The Turku Region lies on the coast of the Baltic Sea it has strong logistical activity.  The region's two significant seaports the Port of Turku and the Port of Naantali and shipyard industry are big employers in the area.  The Turku Region has also growing activity on air cargo logistics.  LogiCity  is a concept of Pilot Turku to create logistic cluster around Turku Airport, in where logistic industries of marine, plane, train and truck cargo can be met with manufacturers and commercial markets to share synergy benefits.  TNT Airways is one of the logistic operators in the LogiCity of Turku.

Supporting paragraphs: Heli Malongo Airways Luanda
Answer: Luanda