Question: Jill Talbot Derby served from which span of years, as an elected Regent for the Nevada System of Higher Education, and ran as the Democratic candidate for the open seat of Nevada's 2nd congressional district is a congressional district that includes the northern third of the state?
Sentence (from "Jill Derby"): Following that, she served as the chairwoman of the Nevada Democratic Party from March, 2007 until February, 2008 overseeing Nevada's first ever early presidential caucus.
Relevant evidence: No