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.

[EX Q]: In mahabharata who was father of chitrasena vrishsena?
[EX A]: Karna

[EX Q]: Who abolished the custom of sati in india?
[EX A]: William Henry Cavendish-Bentinck

[EX Q]: When do medical students find out about residency?
[EX A]:
third Friday of March each year