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 consistency, answers should be in all lower cased letters.

Q: Category: SCIENCE GRAB BAG 
Clue: A material called URhGe can be manipulated into being this, lacking electrical resistance

A: superconductors
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Q: Category: BEGINS & ENDS WITH "K" 
Clue: In 1979 this rock group topped the charts with "My Sharona"

A: the knack
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Q: Category: A HERCULEAN EFFORT 
Clue: This wife of Zeus for whom Hercules is named sent 2 serpents to kill him as a baby; he strangled them

A:
hera
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