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's the little girl that played in waterworld?
Tina Marie Majorino

How many episodes are on season 3 of empire?
18

Who played penny in the movie lost in space?

Lacey Nicole Chabert