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

Input: Consider Input: Context : Hermann-Friedrich Joppien (19 July 1912 -- 25 August 1941) was a German Luftwaffe military aviator during World War II, a fighter ace credited with 70 enemy aircraft shot down in roughly 270 combat missions. 
Question : During which historic war was Hermann-Friedrich Joppien an officer?

Output: World War II


Input: Consider Input: Context : H Velorum is a star in the constellation Vela. 
Question : Which was the constellation for H Velorum?

Output: Vela


Input: Consider Input: Context : William Doolen (1841 -- September 14, 1895) was a Union Navy sailor in the American Civil War and a recipient of the U.S. military's highest decoration, the Medal of Honor, for his actions at the Battle of Mobile Bay. 
Question : Which war was William Doolen a part of?


Output: American Civil War