TASK DEFINITION: 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.
PROBLEM: How many copies did back in black sell?

SOLUTION: About how many copies did back in black sell worldwide? 
 50 million copies

PROBLEM: What type of server does active director run on?

SOLUTION: What brand of server does active director run on? 
 Windows Server

PROBLEM: How many types of mangoes are grown in india?

SOLUTION:
How many total types of mangoes are grown in India? 
 283