Question: The German campaign in the country that José Luís' team plays for occurred where?

full_context: Document 1: Estádio dos Coqueiros: Estádio dos Coqueiros is a multi-use stadium in Luanda, Angola. It is currently used mostly for football matches and is the home ground of Benfica de Luanda and Kabuscorp. The stadium holds 12,000 people and was built during the colonial period, in 1947. It underwent major renovation works in 2005.
Document 2: List of Portuguese football champions: S.L. Benfica, with 36 titles, have been crowned champions more times than any other club, and dominated the league during the 1960s and 1970s. Benfica are followed by Porto with 28 titles, who dominated in the 1990s and 2000s, who in turn are followed by Sporting CP with 18 titles, they dominated in the 1940s and 1950s. C.F. Os Belenenses and Boavista F.C. are the only other clubs which managed to win the league, each having won it once. All five clubs are from the two largest cities, of Lisbon and Porto respectively.
Document 3: British Empire: Britain's fears of war with Germany were realised in 1914 with the outbreak of the First World War. Britain quickly invaded and occupied most of Germany's overseas colonies in Africa. In the Pacific, Australia and New Zealand occupied German New Guinea and Samoa respectively. Plans for a post-war division of the Ottoman Empire, which had joined the war on Germany's side, were secretly drawn up by Britain and France under the 1916 Sykes–Picot Agreement. This agreement was not divulged to the Sharif of Mecca, who the British had been encouraging to launch an Arab revolt against their Ottoman rulers, giving the impression that Britain was supporting the creation of an independent Arab state.
Document 4: Eduardo Luís: In 1989, aged 33, Eduardo Luís left Porto and signed for Rio Ave F.C. in the second tier. He then dropped down to the third division to join A.D. Ovarense, helping to promotion in the first year and retaining of league status in the following, after which he retired from football.
Document 5: Portugal: SL Benfica, FC Porto, and Sporting CP are the largest sports clubs by popularity and by number of trophies won, often known as "os três grandes" ("the big three"). They have won eight titles in the European UEFA club competitions, were present in many finals and have been regular contenders in the last stages almost every season. Other than football, many Portuguese sports clubs, including the "big three", compete in several other sports events with a varying level of success and popularity, these may include roller hockey, basketball, futsal, handball, and volleyball. The Portuguese Football Federation (FPF)  – Federação Portuguesa de Futebol – annually hosts the Algarve Cup, a prestigious women`s football tournament that has been celebrated in the Algarvian part of Portugal.
Document 6: Dossa Júnior: Dossa Júnior was born in Lisbon, Portugal. In that country he only played with Imortal DC, spending the 2005–06 season in the third division. Subsequently, the 20-year-old moved to Cyprus, signing with Digenis Akritas Morphou in the First Division and suffering team relegation.
Document 7: José Luís: Born in Lisbon, José Luís was promoted to hometown's S.L. Benfica's first team at only 18, finishing his first season with 25 matches, 20 starts and two goals as the club won the Primeira Liga championship. Until the end of his tenure he was irregularly used, his best years being 1983 to 1985 as he appeared in 57 games combined – six goals – and won the 1984 league and the following year's Portuguese Cup; he also played the full 90 minutes in the 1982–83 UEFA Cup final's first hand, a 0–1 away loss against R.S.C. Anderlecht (1–2 on aggregate).
Document 8: Portugal: In the 20th century, Portugal engaged in two major conflicts: World War I and the Portuguese Colonial War (1961–1974). After the end of the Portuguese Empire in 1975, the Portuguese Armed Forces have participated in peacekeeping missions in East Timor, Bosnia, Kosovo, Afghanistan, Somalia, Iraq (Nasiriyah) and Lebanon. Portugal also conducted several independent unilateral military operations abroad, as were the cases of the interventions of the Portuguese Armed Forces in Angola in 1992 and in Guinea-Bissau in 1998 with the main objectives of protecting and withdrawing of Portuguese and foreign citizens threatened by local civil conflicts.
Document 9: History of Angola: Angola is a country in southwestern Africa. The country's name derives from the Kimbundu word for king. It was first settled by San hunter - gatherer societies before the northern domains came under the rule of Bantu states such as Kongo and Ndongo. From the 15th century, Portuguese colonists began trading, and a settlement was established at Luanda during the 16th century. Portugal annexed territories in the region which were ruled as a colony from 1655, and Angola was incorporated as an overseas province of Portugal in 1951. After the Angolan War of Independence which ended with an army mutiny and leftist coup in Lisbon, Angola's independence was achieved on November 11, 1975 through the Alvor Agreement. After independence, Angola later entered a period of civil war that lasted up until 2002.
Document 10: German campaign in Angola: Before the official declaration of war between Germany and Portugal (March 1916), German and Portuguese troops clashed several times on the border between German South West Africa and Portuguese Angola. The Germans won most of these clashes and were able to occupy the Humbe region of southern Angola until Portuguese control was restored a few days before the British campaign out of South Africa defeated the Germans.
Document 11: Libis Arenas: He started his career with Envigado Fútbol Club. S.S. Lazio then made a deal to buy him, but did not include him in the first team in order not to fill a non-EU spot in the squad. He was on loan to Envigado in January 2007. He had also been on trial to Sporting Clube de Portugal in early 2007.
Document 12: Estádio da Luz: The Estádio da Luz (), officially named Estádio do Sport Lisboa e Benfica, is a multi-purpose stadium located in Lisbon, Portugal. It is used mostly for association football matches, hosting the home games of Portuguese club S.L. Benfica. It is owned by the club's SAD.
Document 13: History of Germany during World War I: During World War I, the German Empire was one of the Central Powers that lost the war. It began participation in the conflict after the declaration of war against Serbia by its ally, Austria - Hungary. German forces fought the Allies on both the eastern and western fronts, although German territory itself remained relatively safe from widespread invasion for most of the war, except for a brief period in 1914 when East Prussia was invaded. A tight blockade imposed by the Royal Navy caused severe food shortages in the cities, especially in the winter of 1916 -- 17, known as the Turnip Winter. At the end of the war, Germany's defeat and widespread popular discontent triggered the German Revolution of 1918 -- 19 which overthrew the monarchy and established the Weimar Republic.
Document 14: S.L. Benfica (Luanda): Sport Luanda e Benfica, commonly known as Benfica de Luanda, or simply as Benfica, is a football club from Luanda, Angola. The club was established as the Luanda affiliate of SL Benfica of Portugal, and shares the same colours. The logo is also very similar to the Portuguese one. The club, as of 2005, has never won the Girabola (the Angolan league first division). The club plays in the Girabola.
Document 15: José Henrique: Born in Arrentela, Seixal, Setúbal, José Henrique first played at Amora FC (three seasons), then with Seixal F.C. and Atlético Clube de Portugal (one apiece), all clubs in the Lisbon area. Subsequently, he signed with local S.L. Benfica, where he would remain the following 13 years – he had already played youth football there for two years; he also had a short stint with the Toronto Metros, in the North American Soccer League.
ground_truth: Portuguese Angola
sub_queries: What team is José Luís affiliated with? Answer: S.L. Benfica
S.L. Benfica >> country Answer: Angola
German campaign in Angola >> location Answer: Portuguese Angola