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.

Q: Category: DR. WHO... 
Clue: specializes in X-rays & elements, like the one with the atomic number 88 for treating diseases

A: a radiologist
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Q: Category: TRANSPORTATION 
Clue: An aircraft that can take off & touch down on water or land is called this, like a class of animals

A: amphibious
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Q: Category: MEDIEVAL JOBS 
Clue: The Latin for "storehouse" gave us this word for a medieval pharmacist

A:
apothecary
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