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: CANADIAN CITIES 
Clue: The name of this provincial capital means "queen" in Latin

Answer: regina, saskatchewan


Question: Category: GODS & GODDESSES 
Clue: Augustus Caesar encouraged the worship of this god who was considered the avenger of Julius Caesar

Answer: mars


Question: Category: POP STARS 
Clue: He was backed by London's royal philharmonic concert orchestra on his 2010 tour, which he called "Symphonicity"

Answer:
sting