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.

[EX Q]: Who is the head of a sub county in kenya?
[EX A]: Who is the head of a sub county in kenya prior to 2013? 
 sub-county administrator

[EX Q]: What is a symbol of the united states?
[EX A]: What is the flag symbol of the united states? 
 Flag of the United States

[EX Q]: Who is the chairman of the federal reserve?
[EX A]:
Who was the 15th chairperson of the Federal Reserve? 
 Janet Yellen