instruction:
Generate a correct and concise answer for the question based on the words in the context.
question:
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?
answer:
The Adventures of Tintin


question:
Context : M. Waldo Hatler (January 6, 1894 - August 31, 1967) was a Sergeant in the United States Army during World War I who received the Medal of Honor for heroism near Pouilly, France, November 8, 1918. 
Question : In what war was M. Waldo Hatler a combatant?
answer:
World War I


question:
Context : InteliSpend Prepaid Solutions is a private company formed as a joint venture by American Express and Maritz, Inc in 1997. 
Question : What is InteliSpend Prepaid Solutions's parent company?
answer:

American Express