TASK DEFINITION: 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.
PROBLEM: Which is the new member of nato in 2017?

SOLUTION: Montenegro

PROBLEM: How many episodes in season one handmaids tale?

SOLUTION: 10

PROBLEM: Where is collagen found in the human body?

SOLUTION:
extracellular matrix, various connective tissues, connective tissue, fibrous tissues, tendons, ligaments, and skin, bone, and muscle tissue