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

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

[EX Q]: Context : ''How Betty Got Her Grieve Back'' is the season two premiere of dramedy series Ugly Betty.
Question : What is the series that How Betty Got Her Grieve Back is a part of?
[EX A]: Ugly Betty

[EX Q]: Context : Vermont Garrison (October 29, 1915 -- February 14, 1994) was a career officer in the United States Air Force, and an ace with 17.33 credited victories in aerial combat.
Question : What army did Vermont Garrison serve in?
[EX A]:
United States Air Force