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

Ex Input:
Context : Elizabeth Bishop, an only child, was born in Worcester, Massachusetts. 
Question : What city is Elizabeth Bishop associated with?

Ex Output:
Worcester


Ex Input:
Context : The BRDM-2 entered service with the Soviet Army in 1962. 
Question : What year is BRDM-2 associated with?

Ex Output:
1962


Ex Input:
Context : The 1997 Israeli helicopter disaster occurred on 4 February 1997. 
Question : What is the full date that 1997 Israeli helicopter disaster crashed on?

Ex Output:

4 February 1997