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: Where does salmonella typhi live in the body?

A: lymphatic system of the intestine
****
Q: How many mammal species live wild in ireland today?

A: 60
****
Q: 4. how many houses of the legislature were set up under the constitution?

A:
2
****