Generate a question which can yield the answer mentioned in the input. Generated question must be answered by the answer provided in input, without using any extra knowledge.

[EX Q]: Context : Firehouse Dog is a 2007 American family film produced by Regency Enterprises and distributed by 20th Century Fox. 
Answer : Regency Enterprises
[EX A]: What production company was involved in Firehouse Dog?

[EX Q]: Context : Charles-Théodore Millot (28 June 1829 -- 17 May 1889) was a French general who distinguished himself in the Franco-Prussian War (1870--71) and the Tonkin campaign (1883--86). 
Answer : Franco-Prussian War
[EX A]: In what war did Charles-Théodore Millot fight?

[EX Q]: Context : The Tsar Tank (Russian: Царь-танк), also known as the Netopyr' (Нетопырь) which stands for Pipistrellus (a genus of bat) or Lebedenko Tank (танк Лебеденко), was an unusual Russian armoured vehicle developed by Nikolai Lebedenko (Николай Лебеденко), Nikolai Zhukovsky (Николай Жуковский), Boris Stechkin (Борис Стечкин), and Alexander Mikulin (Александр Микулин) from 1914 onwards. 
Answer : 1914
[EX A]:
In what year did Tsar Tank enter service?