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

Example Input: Context : The RPG-40 was an anti-tank hand grenade developed by the Soviet Union in 1940. 
Question : What year was the service entry date for RPG-40?
Example Output: 1940

Example Input: Context : Avraham Arnon (Hebrew: אברהם ארנון; born 1887, died 24 May 1960) was an Israeli educator and a recipient of the Israel Prize. 
Question : Which award was honoured to Avraham Arnon?
Example Output: Israel Prize

Example Input: Context : Strengleikar (English: Stringed Instruments) is a collection of twenty-one Old Norse prose tales based on the Old French Lais of Marie de France. 
Question : The Strengleikar is based upon what?
Example Output:
Lais of Marie de France