TASK DEFINITION: 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'.
PROBLEM: 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?

SOLUTION: Answer: 1943

PROBLEM: Context: Camp Chase was an American Civil War training and prison camp established in May 1861 Link Information: William Dennison Jr. (November 23, 1815 – June 15, 1882)  Question: How old was William Dennison Jr the year Camp Chase was established?

SOLUTION: Answer: 45

PROBLEM: Context: On July 8, 1877 Crevaux traveled up the Maroni River Link Information: none Question: Which of the rivers that Crevaux encountered was the longest?

SOLUTION:
Answer: none