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.

[Q]: Category: LITERARY SEQUELS 
Clue: "The Restaurant at the End of the Universe" was one of Douglas Adams' sequels to this novel
[A]: the hitchhiker\'s guide to the galaxy


[Q]: Category: BEFORE, DURING & AFTER 
Clue: The "holy" first pope is in this '60s folk trio also including this actress who was "America's Sweetheart"
[A]: pope peter paul and mary pickford


[Q]: Category: INVENTORS 
Clue: On December 12, 1901 he received the letter "S" in Morse code via transatlantic wireless telegraphy
[A]:
marconi