Generate a correct and concise answer for the question based on the words in the context.

[EX Q]: Context : Henry Vincent Hubbard (1875 -- 1947) was an American landscape architect and planner, famous for his unique teaching styles at Harvard University, and his many publications. 
Question : What is Henry Vincent Hubbard's place of employment?
[EX A]: Harvard University

[EX Q]: Context : Familie is produced by Studio-A and runs on vtm. 
Question : What network did Familie air on?
[EX A]: vtm

[EX Q]: Context : The PTRD-41 (Shortened from Russian, ProtivoTankovoye Ruzhyo Degtyaryova;Противотанковое однозарядное ружьё системы Дегтярёва образца 1941 года;``Degtyaryov Anti-Tank Rifle'') was an anti-tank rifle produced and used from early 1941 by the Soviet Red Army during World War II. It was a single-shot weapon which fired a 14.5×114mm round. 
Question : What was the year that PTRD entered service?
[EX A]:
1941