challenge: When did Cardfight!! Vanguard G: Stride Gate air in Japan?
  
  A. April 17, 2015 to September 25, 2015
  B. April 17, 2016 to September 25, 2016
  C. April 17, 2018 to September 25, 2018
  D. April 17, 2017 to September 25, 2017
  Answer: 