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: '50s TV 
Clue: Back in 1956, Philip Carey of "One Life to Live" was one of the 77th Bengal Lancers in a series set in this country

A: india
****
Q: Category: THE KOREAN WAR 
Clue: In bitter battles of 1951, Pork Chop was a hill & Heartbreak was one of these

A: ridge
****
Q: Category: THE SUN 
Clue: About half the amount of this gas in the sun's core has been fused into helium

A:
hydrogen
****