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: FORWARDS & BACK WORDS 
Clue: Shrek & "therefore" (follows "cogito")

Answer: ogre & ergo


Question: Category: A LITTLE BIT COUNTRY 
Clue: This once-British island naval fortress has been called the "Navel of the Mediterranean"

Answer: malta


Question: Category: CELEBRITY PATENTS 
Clue: 2007 Rock Hall of Fame inductee who can dance the night away with his supporting device for string instruments

Answer:
eddie van halen