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: He commanded the U.S. forces in the Battle of Tirad Pass, 2 December 1899, where General Gregorio del Pilar was killed Link Information: He was promoted to brigadier-general after this event. Question: How long had Gregorio del Pilar been a General for when he was killed?

SOLUTION: Answer: 1 

PROBLEM: Context: accurately predicted the attitude taken by the Statute of Monopolies two decades later. Link Information: the practice of granting full industrial patents and monopolies became common in Italian states by the 1420s. Question: In what year was the accurate prediction Fuller had towards patents codified into law?

SOLUTION: Answer: 1420s.

PROBLEM: Context: The war ended in May 1945. Link Information: The war ended in May 1945. Question: How many years did the war last?

SOLUTION:
Answer: 6