TASK DEFINITION: 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.
PROBLEM: Category: CASTLES 
Clue: The name of this large home located in Aberdeenshire means "the majestic dwelling" in Gaelic

SOLUTION: balmoral castle

PROBLEM: Category: EUROPEAN ISLANDS 
Clue: Gavdos, an islet administratively part of this larger island, is Europe's southernmost point

SOLUTION: crete

PROBLEM: Category: TV & STAMPS 
Clue: When this program shows its address to write for audience tickets, its graphic has used one of the stamps seen here

SOLUTION:
the price is right