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.
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Question: Category: "S" WORDS 
Clue: Famous ones have included Telstar, Milstar & Navstar

Answer: satellites


Question: Category: BLASTS FROM THE PAST 
Clue: Many treasures have been excavated from this royal valley (in Egypt)

Answer: valley of the kings


Question: Category: GREAT MOMENTS IN TRAVEL 
Clue: Johannes Badrutt, a St. Moritz hotel keeper, first convinced summer guests you could visit this country in winter, too

Answer:
switzerland