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: I NEED SOME SPACE 
Clue: It can be a small pill or a small spacecraft like the Mercury ones used by early astronauts

A: a capsule
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Q: Category: GERMAN LITERATURE 
Clue: In "Heroes Like Us" the hero's father works for this East German secret police

A: the stasi
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Q: Category: POTPOURRI 
Clue: James Paxton designed this London "palace" for the 1st World's Fair in 1851

A:
crystal palace
****