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

Input: Consider Input: Context : The Mark 10 torpedo was a torpedo put into use by the United States in 1915. 
Question : In what year did Mark 10 torpedo enter service?

Output: 1915


Input: Consider Input: Context : A-Lex is based on the 1962 book A Clockwork Orange by Anthony Burgess, which in 1971 was adapted into a film version by Stanley Kubrick. 
Question : The A-Lex is based upon what?

Output: A Clockwork Orange


Input: Consider Input: Context : Firehouse Dog is a 2007 American family film produced by Regency Enterprises and distributed by 20th Century Fox. 
Question : What production company was involved in Firehouse Dog?


Output: Regency Enterprises