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: 20th CENTURY AUTHORS 
Clue: Ayn Rand once cited this late Mike Hammer author as her favorite popular writer

Answer: mickey spillane


Question: Category: -OLOGIES 
Clue: Seismology studies the seismic waves produced by these plate shifts

Answer: earthquakes


Question: Category: PRESIDENTIAL FACTS 
Clue: In 1919 this trustbuster's last words were "Please put out the light"

Answer:
theodore roosevelt