Problem: Given the question: Answer this question: when does the electoral college votes?
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The answer is:
The United States Electoral College is the institution that officially elects the President and Vice President of the United States every four years.

Problem: Given the question: Answer this question: when slavery abolished?
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The answer is:
After the war, the Thirteenth Amendment , effective December 1865, abolished slavery throughout the entire United States, including the Border states and the Indian territories.

Problem: Given the question: Answer this question: who created the tourbillon movement??
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The answer is:
Developed around 1795 by the French-Swiss watchmaker Abraham-Louis Breguet from an earlier idea by the English chronometer maker John Arnold , a tourbillon aims to counter the effects of gravity by mounting the escapement and balance wheel in a rotating cage, to negate the effect of gravity when the timepiece (thus the escapement) is stuck in a certain position.