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.

Where does salmonella typhi live in the body?
lymphatic system of the intestine

Who is the weeping prophet in the bible?
Jeremiah

Who wrote the song living on a prayer?

Jon Bon Jovi, Richie Sambora, Desmond Child