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: When was the first reality tv show aired?

SOLUTION: April 30, 1945

PROBLEM: Who is the girl in one direction what makes you beautiful?

SOLUTION: Madison McMullin

PROBLEM: In which countries is the great rift valley located?

SOLUTION:
Djibouti, Eritrea, Ethiopia, Sudan, Uganda, Kenya, and Tanzania.