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.

[EX Q]: Category: AMERICAN ART & ARTISTS 
Clue: Roy Lichtenstein perfected his technique for simulating benday dots to mimic the artwork found in these "strips"
[EX A]: comic strips

[EX Q]: Category: GENERAL SCIENCE 
Clue: A horse's hooves are made up of this protein, the same protein found in your fingernails
[EX A]: keratin

[EX Q]: Category: HYMNS & HERS 
Clue: "How sweet the sound" of Meryl Streep singing this hymn on the soundtrack to the film "Silkwood"
[EX A]:
"amazing grace"