Given an trivia question precisely answer the question with a word/phrase/name. External resources such as Wikipedia could be used to obtain the facts.
--------
Question: Calamine is the chief ore of which metallic element?

Answer: zinc


Question: Which semi-aquatic carnivorous mammals belong to the genus `Lutra'?

Answer: otter


Question: Francoise de Maintenon was the second wife of which French king?

Answer:
louis xiv of france