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 Input:
Type of epithelial tissue containing cells that can change shapes as the tissue stretches?

Ex Output:
a type of stratified epithelium


Ex Input:
Who fired the shots that began the civil war?

Ex Output:
Lt. Henry S. Farley


Ex Input:
Who wrote the book romans in the bible?

Ex Output:

Paul the Apostle