Generate a correct and concise answer for the question based on the words in the context.
One example: Context : Isaac Nicola Romero (1916 in Havana, Cuba -- 1997) was a prominent Cuban guitarist and one of the founders of the modern Cuban Guitar School. 
Question : What was Isaac Nicola's city of birth?
Solution is here: Havana
Explanation: According to context Issac Nicola's city of birth is Havana. Hence this is a correct output.

Now, solve this: Context : The Northumberland County Division was a formation of the British Army formed in World War II on 24 February 1941. 
Question : During which historic war was Northumberland County Division an officer?
Solution:
World War II