[Q]: What is the question to: "Although geographically this includes Southern and part of Southeast ( Sao Paulo ) of Brazil , in terms of political geography the Southern cone has traditionally comprised Argentina , Chile , Paraguay , and Uruguay ."? The topic is Southern Cone.
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[A]: "what countries are in cono sur?"

[Q]: What is the question to: "On an automobile, a quarter panel (or rear wing as it is known in British English ) is usually considered the body panel which goes between the rear door and the trunk and typically wraps around the wheel well; however, the similar front section Fender (vehicle) , between the door and the hood, is sometimes incorrectly referred to as a quarter panel."? The topic is Quarter panel.
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[A]: "what is auto quarter panel?"

[Q]: What is the question to: "Stephen John Hadley (born February 13, 1947) was the 21st U.S. Assistant to the President for National Security Affairs (commonly referred as National Security Advisor ), serving under President George W. Bush ."? The topic is Stephen Hadley.
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[A]: "who was bush's national security advisor?"

[Q]: What is the question to: "There are approximately 642 skeletal muscles within the typical human, and almost every muscle constitutes one part of a pair of identical bilateral muscles, found on both sides, resulting in approximately 320 pairs of muscles, as presented in this article."? The topic is List of muscles of the human body.
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[A]:
"how many muscles in the body?"