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.

Q: Who wrote the strange case of dr jekyll and mr hyde?

A: Robert Louis Stevenson
****
Q: Who plays in the fa cup final 2018?

A: Chelsea and Manchester United
****
Q: First state to ratify the 13th amendment to the constitution abolishing slavery?

A:
Illinois
****