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 held already during his mission in 1430 to Pope Martin V Link Information: Pope Martin V (; January/February 1369 – 20 February 1431) Question: How long after Markos' mission to the Pope did Martin V pass away?

SOLUTION: Answer: 1

PROBLEM: Context: He graduated from the Academy of Fine Arts of Vienna in 1880. He studied in the class of professor Christian Griepenkerl Link Information: Christian Griepenkerl (17 March 1839 – 22 March 1916) Question: How old was the professor that Predic studied with in Vienna?

SOLUTION: Answer: 41

PROBLEM: Context: the Louisiana State University in Baton Rouge Link Information: As of the U.S. Census Bureau's July 2018 estimate, Baton Rouge had a population of 221,599 Question: What's the population of the city where LSU is located?

SOLUTION:
Answer: 221,599