Question: When was independence achieved by the country where the birthplace of Kaysha is the capital?

full_context: Document 1: Kaysha: Edward Mokolo Jr., better known by stage name Kaysha, (born in Kinshasa on January 22, 1974) is a singer/rapper and producer.
Document 2: Zaire: Zaire (/ zɑːˈɪər /), officially the Republic of Zaire (French: République du Zaïre; French pronunciation: ​ (za. iʁ)), was the name for the Democratic Republic of the Congo that existed between 1971 and 1997 in Central Africa. The country was a one - party totalitarian dictatorship, run by Mobutu Sese Seko and his ruling Popular Movement of the Revolution party. Zaire was established following Mobutu's seizure of power in a military coup in 1965, following five years of political upheaval following independence known as the Congo Crisis. Zaire had a strongly centralist constitution and foreign assets were nationalised. The period is sometimes referred to as the Second Congolese Republic.
Document 3: Republic of the Congo: The Republic of the Congo (French: République du Congo), also known as Congo, Congo Republic, West Congo[citation needed], or Congo-Brazzaville, is a country located in Central Africa. It is bordered by five countries: Gabon to the west; Cameroon to the northwest; the Central African Republic to the northeast; the Democratic Republic of the Congo to the east and south; and the Angolan exclave of Cabinda to the southwest.
Document 4: 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 5: 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 6: K.Maro: Cyril Kamar, (in Arabic سيريل قمر) (born January 31, 1980 in Beirut, Lebanon) better known by his stage name K-Maro, sometimes also K'Maro, is a Canadian pop singer-songwriter, producer and businessman of Lebanese origin. He sings in French and English. He is also the founder, the owner, and the CEO of East 47th Music, a record label, and Rock&Cherries Agency, a Paris based Talents management agency. Both East 47th Music and Rock&Cherries Agency are part of KEG company (Kamar Entertainment Group).
Document 7: History of the Democratic Republic of the Congo: After an uprising by the Congolese people, Belgium surrendered to the independence of the Congo in 1960. However, the Congo remained unstable because tribal leaders had more power than the central government. Prime Minister Patrice Lumumba tried to restore order with the aid of the Soviet Union as part of the Cold War, causing the United States to support a coup led by Colonel Joseph Mobutu in 1965. Mobutu quickly seized complete power of the Congo and renamed the country Zaire. He sought to Africanize the country, changing his own name to Mobutu Sese Seko, and demanded that African citizens change their Western names to traditional African names. Mobutu sought to repress any opposition to his rule, in which he successfully did throughout the 1980s. However, with his regime weakened in the 1990s, Mobutu was forced to agree to a power - sharing government with the opposition party. Mobutu remained the head of state and promised elections within the next two years that never took place.
Document 8: Kanye West: Kanye Omari West (/ˈkɑːnjeɪ/; born June 8, 1977) is an American hip hop recording artist, record producer, rapper, fashion designer, and entrepreneur. He is among the most acclaimed musicians of the 21st century, attracting both praise and controversy for his work and his outspoken public persona.
Document 9: Republic of the Congo: The region was dominated by Bantu-speaking tribes, who built trade links leading into the Congo River basin. Congo-Brazzaville was formerly part of the French colony of Equatorial Africa. Upon independence in 1960, the former colony of French Congo became the Republic of the Congo. The People's Republic of the Congo was a Marxist–Leninist one-party state from 1970 to 1991. Multi-party elections have been held since 1992, although a democratically elected government was ousted in the 1997 Republic of the Congo Civil War and President Denis Sassou Nguesso has ruled for 26 of the past 36 years.
Document 10: Joseph Kabila: On 28 March 2004, an apparent coup attempt or mutiny around the capital Kinshasa, allegedly by members of the former guard of former president Mobutu Sese Seko (who had been ousted by Kabila's father in 1997 and died in the same year), failed. On 11 June 2004, coup plotters led by Major Eric Lenge allegedly attempted to take power and announced on state radio that the transitional government was suspended, but were defeated by loyalist troops.
Document 11: Republic of the Congo: The Republic of the Congo received full independence from France on August 15, 1960. Fulbert Youlou ruled as the country's first president until labour elements and rival political parties instigated a three-day uprising that ousted him. The Congolese military took charge of the country briefly and installed a civilian provisional government headed by Alphonse Massamba-Débat.
Document 12: Republic of the Congo: The capital, Brazzaville, is located on the Congo River, in the south of the country, immediately across from Kinshasa, the capital of the Democratic Republic of the Congo.
Document 13: Michel Boyibanda: Michel Boyibanda is a soukous recording artist, composer, and vocalist in the Republic of the Congo. He was once a member of the soukous band TPOK Jazz, led by François Luambo Makiadi, which dominated the Congolese music scene from the 1950s through the 1980s.
Document 14: Republic of the Congo: Congo is located in the central-western part of sub-Saharan Africa, along the Equator, lying between latitudes 4°N and 5°S, and longitudes 11° and 19°E. To the south and east of it is the Democratic Republic of Congo. It is also bounded by Gabon to the west, Cameroon and the Central African Republic to the north, and Cabinda (Angola) to the southwest. It has a short coast on the Atlantic Ocean.
Document 15: Republic of the Congo: The southwest of the country is a coastal plain for which the primary drainage is the Kouilou-Niari River; the interior of the country consists of a central plateau between two basins to the south and north. Forests are under increasing exploitation pressure.
ground_truth: 1960
sub_queries: What was Kaysha's city of birth? Answer: Kinshasa
What country does Kinshasa serve as capital of? Answer: Democratic Republic of the Congo
when did Democratic Republic of the Congo become independent Answer: 1960