instruction:
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.
question:
Category: COUNTRIES' HIGHEST PEAKS 
Clue: These 2 nations, one an island, have highest peaks with the same name; they also share a common European culture
answer:
greece & cyprus


question:
Category: GOLF 
Clue: It's the only one of golf's 4 major pro events in which amateurs are not permitted to play
answer:
the pga championship


question:
Category: WORLD RIVERS 
Clue: With 4, more national capitals are located on this river than any other river in the world
answer:

the danube