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: THE MEDIA ON TV 
Clue: This radio station featured Dr. Johnny Fever, Venus Flytrap & Les Nessman on the air
answer:
wkrp


question:
Category: THE INSTRUMENT OF DEATH 
Clue: In 1793 Jean-Paul Marat was retired in the bath with one of these
answer:
a knife


question:
Category: AROUND THE USA 
Clue: One of the people who helped make Yosemite a national park was this designer of Central Park
answer:

olmsted