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.

Q: Category: THE 19th CENTURY 
Clue: In August 1807 this steamboat made the NYC to Albany round trip on the Hudson in 62 hours

A: clermont
****
Q: Category: NOW THAT'S INVENTIVE! 
Clue: Famous for his jet, he also invented the automobile radio for the company that became Motorola

A: lear
****
Q: Category: SHINING ARMOR 
Clue: The rerebrace & vambrace protected the rear & fore part of this

A:
arm
****