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: 19th CENTURY SCIENCE 
Clue: In 1824 Anglican priest William Buckland wrote a pioneering paper on Megalosaurus, a creature whose name means this

A: lizard
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Q: Category: U.S. PRESIDENTS 
Clue: Adventurous 26th president, he was 1st to ride in an automobile & an airplane

A: theodore roosevelt
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Q: Category: GEOGRAPHIC TERMS 
Clue: As their bordering countries are all this adjective, Liechtenstein & Uzbekistan are considered "double" this

A:
landlocked
****