instruction:
In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to provide one question which clarifies the input question and it has one unique answer, and also provide an answer to the generated question. Generated question and answer should be separated with a new line.
question:
How many episodes in a season of vampire diaries?
answer:
How many episodes per season in seasons 1-3 and 5-7 of vampire diaries? 
 22


question:
Who is the first person to go to the moon?
answer:
Who were the first people to land on the moon? 
 Armstrong and Aldrin


question:
Who played tin man in the wizard of oz?
answer:

Who played the Tin Man in the 1925 film The Wizard of Oz? 
 Oliver N. Hardy