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

Input: Consider Input: Context : Sonia Destri Lie, often known simply as Sonia Destri, is a Brazilian dancer and choreographer. 
Question : What was Sonia Destri Lie's occupation?

Output: choreographer


Input: Consider Input: Context : The GCR Class 1 was a class of steam locomotives designed by John G. Robinson for the Great Central Railway, and introduced to service between December 1912 and 1913. 
Question : What was the year that GCR Class 1 entered service?

Output: December 1912


Input: Consider Input: Context : The IUPAC/IUPAP Joint Working Party is a group convened periodically by the International Union of Pure and Applied Chemistry (IUPAC) and the International Union of Pure and Applied Physics (IUPAP) to consider claims for discovery and naming of new chemical elements. 
Question : What is IUPAC/IUPAP Joint Working Party's parent company?


Output: International Union of Pure and Applied Chemistry