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: Who invented the first curling iron in 1872?

SOLUTION: Francois Marcel Grateau

PROBLEM: Who abolished the custom of sati in india?

SOLUTION: William Henry Cavendish-Bentinck

PROBLEM: Death of a salesman how old is willy?

SOLUTION:
63