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.
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Question: Category: FROGS 
Clue: Probably best known to TV viewers as Valene Ewing, she had female lead in 1972 “Frogs”

Answer: joan van ark


Question: Category: WITCHCRAFT 
Clue: Until Dorothy showed up, these small folks toiled as slaves for Oz' Wicked Witch of the East

Answer: munchkins


Question: Category: "KING"s 
Clue: In 1968 she called upon American women to unite & fight the evils of racism, poverty & war

Answer:
coretta scott king