instruction:
You will be given a trivia clue, and the category it belongs to. You should answer with the best answer that belongs in the category and is described by the clue. For simplicity, answers should be in all lower cased letters.
question:
Category: MATH & SCIENCE 
Clue: Around 1850 George Boole devised a new take on this branch of math
answer:
algebra


question:
Category: AMERICA SINCE 1865 
Clue: On May 21, 1927 this American landed in Paris & was welcomed by a crowd of about 100,000
answer:
charles lindbergh


question:
Category: "M"USIC 
Clue: It can be a synonm for "bar", or a stately English dance of old
answer:

a measure