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 consistency, answers should be in all lower cased letters.
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Question: Category: UNITS OF MEASURE 
Clue: The scale on the bottom of a sextant is in these units

Answer: degrees


Question: Category: DIAMONDBACKS 
Clue: Of 8, 16 or 28, the length in feet of the longest diamondback ever recorded (not counting Randy Johnson)

Answer: 8 feet


Question: Category: SCIENCE & NATURE 
Clue: In 2009 a new hominid skeleton dubbed Ardi was aged at 4.4 million years, predating this other "girly" find by 1 mil. years

Answer:
lucy