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

Q: Context : Explorers on the Moon (French: On a marché sur la Lune) is the seventeenth volume of The Adventures of Tintin, the comics series by Belgian cartoonist Hergé. 
Question : To which series does Explorers on the Moon belong?

A: The Adventures of Tintin
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Q: 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?

A: World War II
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Q: Context : The 1951 FA Cup Final was contested by Newcastle United and Blackpool at Wembley on 28 April 1951. 
Question : When did 1951 FA Cup Final occurr?

A:
28 April 1951
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