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: THE SEA'S BOUNTY 
Clue: This shellfish of the family Mytilidae needs its beard removed, a little steaming & yum!

Answer: mussels


Question: Category: MATH TERMS 
Clue: The term surd refers to irrational numbers like this number's square root, 1.7320508...

Answer: 3


Question: Category: BOB'S YOUR POET 
Clue: This American poet wrote, "Nature's first green is gold, her hardest hue to hold"

Answer:
robert frost