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: NAME'S THE SAME 
Clue: Name shared by a British film company & an American who made millions in oil & pharmaceuticals
hammer

Category: BOOKS & AUTHORS 
Clue: Famous profession of the woman who wrote the 1999 inspirational book "The Long Program"
ice/figure skater

Category: COUNTRY DEMOGRAPHICS 
Clue: Because of a policy adopted in 1979, this country's young people are collectively referred to as "little emperors"

china