Question: Who was the ninth governor-general in the country where Bagana is?

full_context: Document 1: Michael Ogio: He became acting governor-general on 20 December 2010 when Jeffrey Nape resigned after one week without explanation. He was elected as Governor-General in his own right on 14 January 2011 when he defeated Pato Kakeraya 65-23. He was sworn in on 25 February 2011.On 26 April 2011, Queen Elizabeth II conferred the honour of knighthood and invested him as Knight Grand Cross of the Most Distinguished Order of St Michael and St George on his appointment as Governor-General of Papua New Guinea at Windsor Castle.Ogio died on 18 February 2017 in Port Moresby, at the age 74.
Document 2: Victory (volcano): Victory is a volcano on New Guinea island, Papua New Guinea. It is situated on Cape Nelson, 30 km from Tufi in an area with no Wadati-Benioff zone. It is one of four large stratovolcanos in Northern New Guinea island, the others being Hydrographers Range, Trafalgar and Lamington.
Document 3: Mauro Poggia: Formerly a member of the Christian Democratic People's Party (CVP), Poggia left to join the MCG in 2009. He was elected to the Grand Council of Geneva at the 2009 election. He was elected as the MCG's sole member of the National Council at the 2011 election, representing Geneva.
Document 4: Samoa: The Samoan islands have been produced by vulcanism, the source of which is the Samoa hotspot which is probably the result of a mantle plume. While all of the islands have volcanic origins, only Savai'i, the western most island in Samoa, is volcanically active with the most recent eruptions in Mt Matavanu (1905–1911), Mata o le Afi (1902) and Mauga Afi (1725). The highest point in Samoa is Mt Silisili, at 1858 m (6,096 ft). The Saleaula lava fields situated on the central north coast of Savai'i are the result of the Mt Matavanu eruptions which left 50 km² (20 sq mi) of solidified lava.
Document 5: Bagana: Bagana is an active volcano located in the centre of the island of Bougainville, Papua New Guinea, the largest island of the Solomon group. It is the most active volcano in the country, occupying a remote portion of central Bougainville Island. It is one of Melanesia's youngest and most active volcanoes.
Document 6: Michael Ogio: Sir Michael Ogio  (7 July 1942 – 18 February 2017) was a Papua New Guinean politician who led People's Democratic Movement party. He served as the ninth Governor-General of Papua New Guinea.
Document 7: History of Papua New Guinea: Elections in 1972 resulted in the formation of a ministry headed by Chief Minister Michael Somare, who pledged to lead the country to self - government and then to independence. Papua New Guinea became self - governing on 1 December 1973 and achieved independence on 16 September 1975. The country joined the United Nations (UN) on 10 October 1975 by way of Security Council Resolution 375 and General Assembly resolution 3368. The 1977 national elections confirmed Michael Somare as Prime Minister at the head of a coalition led by the Pangu Party. However, his government lost a vote of confidence in 1980 and was replaced by a new cabinet headed by Sir Julius Chan as prime minister. The 1982 elections increased Pangu's plurality, and parliament again chose Somare as prime minister. In November 1985, the Somare government lost another vote of no confidence, and the parliamentary majority elected Paias Wingti, at the head of a five - party coalition, as prime minister. A coalition, headed by Wingti, was victorious in very close elections in July 1987. In July 1988, a no - confidence vote toppled Wingti and brought to power Rabbie Namaliu, who a few weeks earlier had replaced Somare as leader of the Pangu Party.
Document 8: Solomon Islands: On 13 December 2007, Prime Minister Manasseh Sogavare was toppled by a vote of no confidence in Parliament, following the defection of five ministers to the opposition. It was the first time a prime minister had lost office in this way in Solomon Islands. On 20 December, Parliament elected the opposition's candidate (and former Minister for Education) Derek Sikua as Prime Minister, in a vote of 32 to 15.
Document 9: Buka, Papua New Guinea: Buka is located on the southern coast of Buka Island, in the Autonomous Region of Bougainville, in eastern Papua New Guinea (country).
Document 10: Tore (volcano): Tore is a volcano located in the northern part of the island of Bougainville, Papua New Guinea. Violent Pleistocene eruptions produced two ignimbrite fans stretching west to the coast, and a 6 km by 9 km caldera. A post-caldera lava cone on the caldera's southern rim is the source of lava flows. Well-preserved features suggests a recent date for this cone and a nearby ash cone.
Document 11: Babase Island: Babase Island is an island of the Feni Islands in Papua New Guinea, located east of New Ireland. It consists of a stratovolcano and a lava dome, joined by an isthmus.
Document 12: Langila: Langila is one of the most active volcanoes of New Britain, Papua New Guinea. It consists of four overlapping volcanic cones on the eastern flank of an older extinct volcano, Talawe. Talawe is the largest volcano in Cape Gloucester. There have been dozens of recorded eruptions since the 19th century from three separate volcanic craters at the summit of Langila. The most recent eruptive cycle of Langila began in August 2006 and continued into early 2007. Volcanic activity at Langila consists of Strombo-Vulcanian and Vulcanian eruptions and lava flows. Langila is one of the most active volcanoes in the Bismark archipelago. The smallest crater is crater number 3.
Document 13: List of Mills government ministers: This is a listing of the ministers who served in the National Democratic Congress government of John Atta Mills in Ghana starting from 7 January 2009. The Mills presidency ended on 24 July 2012 when President John Atta Mills died. Mills was succeeded by his vice president, John Dramani Mahama.
Document 14: 2018 Malaysian general election: This marked a historic defeat for the ruling Barisan Nasional coalition, which had been the governing party of Malaysia and its predecessor state, Malaya, since the country's independence in 1957. This makes Mahathir Mohamad the next Prime Minister of Malaysia and, at 92 years old, the oldest head of government in the world, although he has indicated he would give way within a few years to jailed opposition leader Anwar Ibrahim after seeking a royal pardon for him.
Document 15: Prime Minister of Papua New Guinea: Prime Minister of Papua New Guinea Emblem of Papua New Guinea Incumbent Peter O'Neill since 3 August 2012 Appointer Bob Dadae Governor - General of Papua New Guinea Term length At the Governor - General's pleasure Inaugural holder Michael Somare Formation 16 September 1975
ground_truth: Sir Michael Ogio
sub_queries: Bagana >> country Answer: Papua New Guinea
Who was the ninth governor-general in Papua New Guinea ? Answer: Sir Michael Ogio