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.

What kind of money is used in the netherlands?
What kind of money was used in the Netherlands until 2002? 
 Dutch guilder

Who played carrie on the little house on the prairie?
Who played carrie on the 1974 movie little house on the prairie? 
 Lindsay and Sidney Greenbush

Who developed the modern model of the solar nebular disk instability model?

Who is thought to have developed the modern model of the solar nebular disk instability model? 
 Soviet astronomer Victor Safronov