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: What is on top of the space needle?

SOLUTION: observation deck

PROBLEM: Who won i'm a celebrity australia 2016?

SOLUTION: Brendan Fevola

PROBLEM: How many union troops fought in the wilderness battle that lasted 44 days?

SOLUTION:
103,875–124,232