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.

Category: SPORTS FIRSTS ON THE FIRST 
Clue: On February 1, 1970 Dave Balon pulled off his first one of these in his pro hockey career
hat trick

Category: AMERICAN EXPLORERS 
Clue: After being led there by a local, Hiram Bingham claimed he "discovered" this lost Incan city in Peru
machu picchu

Category: THE LAW 
Clue: During the Civil War, Lincoln suspended this right not to be held in prison without court consent

habeas corpus