In this task, you're given a statement, further information available on a particular linked term from the statement, and a question. Your job is to generate the answer to the question by using the information provided. If there is no clear answer obtainable, output 'none'.

Q: Context: After patrol duty early in October, Lardner returned to escort duty between New Caledonia and the Solomons, then screened task forces operating out of Purvis Bay in the Bougainville Campaign. Link Information: The first phase, in which American troops landed and held the perimeter around the beachhead at Torokina, lasted from November 1943 Question: What year did the Bougainville Campaign begin?

A: Answer: 1943
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Q: Context: the island of Samothrace (then part of the Ottoman Empire and called Semadirek) Link Information: none Question: When did the island of Smaothrace leave the Ottoman Empire?

A: Answer: none
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Q: Context: For his heroic actions on April 6, 1990, in a raid against the Communist New People's Army in Negros Occidental, he was awarded the Philippine Medal of Valor by President Corazon Aquino Link Information: Defections from the Armed Forces of the Philippines and the support of the local Catholic hierarchy led to the People Power Revolution that ousted Marcos and secured Aquino's accession on 25 February 1986 Question: How long had Aquino been serving as President when he awarded Ortiz the Philippine Medal of Valor?

A:
Answer: 4
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