Question: Who was the  first Cuyahoga County Executive of  the 29th largest county by population in the United States from 2011 until 2015?
Sentence (from "County Executive of Cuyahoga County, Ohio"): The County Executive of Cuyahoga County, the largest county in Ohio, and the 29th largest county by population in the United States, is the chief executive officer of the Cuyahoga County government.
Relevant evidence: Yes