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.

Example Input: Who sang i got my mind made up?
Example Output: Instant Funk

Example Input: Who wrote the patriotic song sare jahan se achcha?
Example Output: Muhammad Iqbal

Example Input: What era relates to the old stone age from around 3 million years ago to 9000 bc?
Example Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Palaeolithic

