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.

Category: BACK TO BUSINESS 
Clue: No-contract & pay as you go plans are selling points of this cell phone company started by Sir Richard Branson
virgin mobile

Category: HISTORIC NAMES 
Clue: In 1487 Pope Innocent VIII appointed him grand inquisitor for all of Spain
tomas de torquemada

Category: ANATOMY 
Clue: The petrous temporal bone, the hardest in the body, encases the delicate structures of this organ

inner ear