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: One such Christian was John of Damascus (c. 676–749 AD), who was familiar with Islam and Arabic. Link Information: none Question: How old was John of Damascus when the Islamic Caliphate overtook the land of his home?

SOLUTION: Answer: none

PROBLEM: Context: before moving to Athens, where he lived until his death Link Information: none Question: Who was the patron of the city where he lived until his death?

SOLUTION: Answer: none

PROBLEM: Context: Ottwalt Link Information: ended up in the Soviet Union. Question: Who was in charge of the country Ottwalt finally ended up in?

SOLUTION:
Answer: Stalin