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: When did the last episode of seinfeld air?

SOLUTION: May 14, 1998

PROBLEM: When does arrow season 6 air on tv?

SOLUTION: October 12, 2017

PROBLEM: Who sang the theme song to quantum of solace?

SOLUTION:
Jack White and Alicia Keys