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'.

Context: Until May 1942 Germans used Sajmiste concentration camp to mostly kill off Jews from Belgrade and other parts of Serbia Link Information: The Sajmiste concentration camp () was a Nazi concentration and extermination camp during World War II. It was located at the former Belgrade fairground site near the town of Zemun Question: Which town was near the camp that, until May 1942, the Germans used it to mostly kill off Jews from Belgrade and other parts of Serbia?
Answer: Zemun