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: GEOGRAPHIC PHRASES 
Clue: Mythological name sometimes given to Mount Acha & Gibraltar
the pillars of hercules

Category: EXPLORERS 
Clue: On hearing of the discovery of George Mallory's body, this man told reporters he still thinks he was first
sir edmund hillary

Category: WORLD WAR II 
Clue: On June 5, 1944 FDR said of the capture of this city, "One up and two to go"

rome