instruction:
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.
question:
When does arrow season 6 air on tv?
answer:
October 12, 2017


question:
Second most listened to artist on spotify 2018?
answer:
Austin Richard Post


question:
What was the first feature-length film to use vitaphone technology?
answer:

Don Juan