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 did will smith lose his arm in irobot?

SOLUTION: a car crash

PROBLEM: Who wrote the patriotic song sare jahan se achcha?

SOLUTION: Muhammad Iqbal

PROBLEM: Who played jennifer hart in hart to hart?

SOLUTION:
Stefania Zofya Federkiewicz