instruction:
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.
question:
Who played the boy in mad max 2?
answer:
Emil Minty


question:
Who was the first elected prime minister of nepal?
answer:
Bishweshwar Prasad Koirala


question:
Where is the descending aorta located in the mediastinum?
answer:

posterior mediastinal cavity