In this task, you're given an open-domain question. Your task is to provide an answer to the given question. There is only one unique answer for each question. Your answer should be short, and refer to an entity, date, number, etc. Do not put your answer in the context of a sentence.

Who led the us movement to take over the island of hawaii?
John Leavitt Stevens

Who has the most championship in the nfl?
Green Bay Packers

Where do hermit crabs get their shells from?

shells of bivalves and scaphopods