Question: The Colombian airline that has been the national airline and flag carrier of Colombia since 1919 is wholly owned by a company headquartered in what country?

full_context: Document 1: Boliviana de Aviación: Boliviana de Aviación, often referred to as simply BoA, is the flag carrier airline of the Plurinational State of Bolivia and is wholly owned by the country's government. It was established in October 2007 and began operations in March 2009. The airline is headquartered in Cochabamba with its main hub at Jorge Wilstermann International Airport and focus cities at El Alto International Airport and Viru Viru International Airport. Most international flights, however, including long-haul services to Madrid and Miami operate out of Viru Viru in Santa Cruz de la Sierra. Boliviana de Aviación currently flies to 13 destinations in 5 countries and is the largest airline in Bolivia in terms of fleet size and passengers carried.
Document 2: Synergy Group OJSC: Synergy Group OJSC is an investment company in Azerbaijan with a main focus on development of non-oil sector. It was established in 2010, with their main focus being on large-scale investments in the following areas: construction and construction materials, hospitality management, ICT, industry and agriculture.
Document 3: Copa Airlines: Compañía Panameña de Aviación, S.A., () (commonly referred to and branded simply as "Copa Airlines") is the flag carrier of Panama. It is headquartered in Panama City, Panama, with its main hub at Tocumen International Airport. It operates more than 315 daily scheduled flights to 74 destinations in 31 countries around North, Central and South America, and the Caribbean. Copa is a subsidiary of Copa Holdings, S.A. as well as a member of the Star Alliance. The airline is also the main operator and owner of Colombian airline AeroRepública, currently known as Copa Airlines Colombia.
Document 4: En+ Group: En+ Group is a Russian energy-related company controlled by Oleg Deripaska. En+ Group owns a controlling interest in United Company RUSAL, owns the largest independent Russian power producer EuroSibEnergo, and is a supplier of ferromolybdenum as well as significant coal assets and logistics business. It reported revenues of $15.3 billion in 2011.
Document 5: Aerolíneas Argentinas: Aerolíneas Argentinas (English: Argentine Airlines ), formally "Aerolíneas Argentinas S.A.", is Argentina's largest airline and the country's flag carrier. The airline was created in 1949 from the merger of four companies, and started operations in  1950 (1950-) . A consortium led by Iberia took control of the airline in 1990, and Grupo Marsans acquired the company and its subsidiaries in 2001, following a period of severe financial difficulties that put the airline on the brink of closure. The company has been run by the Argentine government since late 2008, when the country regained control of the airline after it was taken over from the Spanish owners. s of 2014 , Aerolíneas Argentinas was state-owned. It has its headquarters in Buenos Aires.
Document 6: Synergy Group: Synergy Group Corp. is a South American conglomerate created and owned by Germán Efromovich, an entrepreneur holding multiple citizenship of Brazil, Colombia and Poland. The group is headquartered in Rio de Janeiro, Brazil. It operates several airlines in South America, among which are Avianca Holdings, with a 66.66% stake, and is active in the exploration of oil and natural gas throughout the region. Additionally, it operates hydroelectric power plants, participates in the construction of telecommunications infrastructure, shipbuilding and technical inspections, radiochemistry, radiopharmaceuticals, agriculture and hospitality.
Document 7: ACS Group: ACS, Actividades de Construcción y Servicios, S.A. (] ) is a Spanish company dedicated to civil and engineering construction, all types services and telecommunications. It is one of the leading construction companies in the world, with projects in many countries around the world. The company was founded in 1997 through the merger of "OCP Construcciones, S.A." and "Ginés Navarro Construcciones, S.A.". The group has a global presence, including countries like Germany, India, Brazil, Chile, Morocco and Australia. The headquarters are in Madrid and the chairman is Florentino Pérez. Listed on the Bolsa de Madrid, the company's shares form part of the IBEX 35 stock market index.
Document 8: Grupo Cisneros: Grupo Cisneros is a privately held, family owned business headquartered in Coral Gables, Florida, historically based in Venezuela, with a focus on Latin American and Spanish-speaking people worldwide. It is a conglomerate of media entertainment, digital media, property investment, tourism development and consumer product companies which reaches 550 million Spanish and Portuguese-speaking consumers in the Americas and Europe. It also provides media content to more than 100 countries. Its current CEO is Adriana Cisneros.
Document 9: Avianca El Salvador: Avianca El Salvador, formerly Transportes Aereos del Continente Americano, simply known as TACA Airlines, is an airline owned by the Synergy Group based in El Salvador. As TACA, it was the flag carrier of El Salvador. As Avianca El Salvador, it is one of the seven nationally branded airlines (Avianca Ecuador, Avianca Honduras, etc.) in the Avianca Holdings group of Latin American airlines. This Airline has been in operation for 75 years.
Document 10: Privat Group: The Privat Group, or PrivatBank Group (Ukrainian: Група “Приват” , "Grupa "Privat"") is a global business group, based in Ukraine. Privat Group controls thousands of companies of virtually every industry in Ukraine, the European Union, Georgia, Ghana, Russia, the United States and other countries. Steel, oil & gas, chemical and energy are sectors of the group's prime influence and expertise. None of the group's capital is publicly traded on any stock exchange.
Document 11: Avianca: Avianca S.A. (acronym in Spanish for "Aerovías del Continente Americano S.A. "), Airways of the American Continent, is a Colombian airline that has been the national airline and flag carrier of Colombia since 5 December 1919, when it was initially registered under the name SCADTA. It is headquartered in Bogotá, D.C. with its main hub at El Dorado International Airport. Avianca also comprises a group of seven Latin American airlines, whose operations are combined to function as one airline using a code sharing system. Avianca is the largest airline in Colombia and second largest in Latin America. Avianca together with its subsidiaries has the most extensive network of destinations in Latin America. It is wholly owned by Synergy Group S.A., a South American holding company established by Germán Efromovich and specializing in air transport. It is listed on the Colombia Stock Exchange.
Document 12: Grupo Carso: Grupo Carso or Grupo Sanborns SAB is a Mexican global conglomerate company owned by Carlos Slim. It was formed in 1990 after the merger of Corporación Industrial Carso and Grupo Inbursa. The name Carso stands for Carlos Slim and Soumaya Domit de Slim, his late wife.
Document 13: LATAM Colombia: LATAM Airlines Colombia, formerly known as LAN Colombia, and previously as Aerovías de Integración Regional S.A. (Acronym: "AIRES", lit. "airs"), is a Colombian airline. It is the second-largest air carrier in Colombia.
Document 14: Organizacion Corona: Organizacion Corona (known as Corona in Colombia)was founded in 1881 by a group of investors including Victoriano Restrepo Uribe, making it one of the oldest business entities in Colombia. In 1935 it was purchased by . It is one of the largest conglomerates based in the South American country. The company manufactures ceramics for the home improvement market and is divided into six business units. It has operations in Colombia, Panama, Mexico, the United States and China and export to more than 20 countries throughout the world. The leader of the family for many years was , and it is still owned by the Echavarría family.
Document 15: SAS Group: Scandinavian Airlines System Aktiebolag (, Nasdaq: SAS , ), trading as SAS Group and SAS AB, is an airline holding company headquartered in the SAS Frösundavik Office Building in Solna Municipality, Sweden. It is the owner of the airlines Scandinavian Airlines. SAS used to own 19.9% of the now defunct Spanish airline Spanair. It also owns the aviation services companies SAS Business Opportunities, SAS Cargo Group, SAS Ground Services, and SAS Technical Services. It holds minority ownership of Air Greenland, Estonian Air, and Skyways Express. SAS Group is partially owned by the governments of Sweden, Denmark, and Norway, with a 21.4%, 14.3%, and 14.3% ownership, respectively. The remaining 50% is held by private owners, of which Foundation Asset Management at 7.6% is the only significant one. The company is listed on the Oslo Stock Exchange, the Stockholm Stock Exchange, and the Copenhagen Stock Exchange.
ground_truth: Brazil