Question: What number best regional university in the South did the 2017 U.S. News and World Report guide rank the school where 2009 Atlantic Sun Conference Baseball Tournament was hosted?
Sentence (from "2007 Atlantic Sun Conference Baseball Tournament"): The 2007 Atlantic Sun Conference Baseball Tournament was held at Melching Field at Conrad Park on the campus of Stetson University in DeLand, Florida from May 23 through 26.
Relevant evidence: No