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: BLACK IS BACK 
Clue: The "Black Spot" is a dreaded summons handed out by pirates in this 1883 Robert Louis Stevenson tale

Answer: treasure island


Question: Category: THE NATIONAL MUSEUM OF HEALTH & MEDICINE 
Clue: Among lesser-known body parts at the museum, see the leg Gen. Daniel Sickles lost at this July 1863 battle

Answer: gettysburg


Question: Category: BEDTIME STORIES 
Clue: Astrid Lindgren created this girl, a redheaded Swedish orphan with an odd fashion sense

Answer:
pippi longstocking