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.

Q: Who introduced the technique of sign drawing of a man as a measure of intelligence?

A: Who first introduced the technique of sign drawing of a man as a measure of intelligence?
****
Q: Who was formula one world champion four times in a row from 2010 to 2013?

A: What driver was formula one world champion four times in a row from 2010 to 2013?
****
Q: Who owns the biltmore estate in north carolina?

A:
Who originally owned Biltmore Estate in North Carolina?
****