In this task, you're given an ambiguous question (which can be answered in more than one way). Your task is to write a question that clarifies the given question in such a way that the generated question has one unique answer.

Example Input: Who sang the song cotton fields back home?
Example Output: Who sang the song cotton fields back home in 1940?

Example Input: Who came up with the saying the customer is always right?
Example Output: Who from London came up with the saying the customer is always right?

Example Input: Who is the best nba scorer of all time?
Example Output:
Which NBA player has scored the highest number of total points?