TASK DEFINITION: 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.
PROBLEM: How much money does tourism bring to canada?

SOLUTION: $17.4 billion

PROBLEM: Who played gideon on once upon a time?

SOLUTION: Giles Matthey

PROBLEM: When does subnautica come out of early access?

SOLUTION:
January 23, 2018