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?

Context paragraphs:
2011 Atlantic Sun Conference Baseball Tournament: The 2011 Atlantic Sun Conference Baseball Tournament was held at Ken Dugan Field at Stephen Lee Marsh Stadium on the campus of Lipscomb University in Nashville, TN from May 25 through 28.  Belmont won its first tournament championship to earn the Atlantic Sun Conference's automatic bid to the 2011 NCAA Division I Baseball Tournament.

2009 Atlantic Sun Conference Baseball Tournament: The 2009 Atlantic Sun Conference Baseball Tournament was held at Melching Field at Conrad Park on the campus of Stetson University in DeLand, Florida from May 21 through 24.  Jacksonville won its fourth tournament championship to earn the Atlantic Sun Conference's automatic bid to the 2009 NCAA Division I Baseball Tournament.  The event was heavily marred by rain, resulting in two format changes.  Originally planned as a six team double-elimination tournament, the format was changed to a single elimination format.

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.  Jacksonville won its third tournament championship to earn the Atlantic Sun Conference's automatic bid to the 2007 NCAA Division I Baseball Tournament.

Stetson University: Stetson University is a private, nonprofit university with four colleges and schools located across the I-4 corridor in Central Florida, United States, with the primary undergraduate campus located in DeLand.  In the 2017 "U.S. News and World Report"' s guide to America's Best Colleges, Stetson ranks as the 5th best regional university in the South, 5th best for veterans among regional universities in the South and 6th best value school among regional universities in the South.  The Stetson University College of Law, located in Gulfport, Florida, was ranked 1st nationally in trial advocacy by "U.S. News & World Report" in 2017.

2014 Atlantic Sun Conference Baseball Tournament: The 2014 Atlantic Sun Conference Baseball Tournament was held at Swanson Stadium on the campus of Florida Gulf Coast University in Fort Myers, Florida from May 21 through 25.  won their first tournament championship and claimed the Atlantic Sun Conference's automatic bid to the 2014 NCAA Division I Baseball Tournament.

2017 Atlantic Sun Conference Baseball Tournament: The 2017 Atlantic Sun Conference Baseball Tournament will be held at Melching Field at Conrad Park on the campus of Stetson University in DeLand, Florida from May 24 through 27.  The winner of the tournament will claim the Atlantic Sun Conference's automatic bid to the 2017 NCAA Division I Baseball Tournament.

2008 Atlantic Sun Conference Baseball Tournament: The 2008 Atlantic Sun Conference Baseball Tournament was held at Melching Field at Conrad Park on the campus of Stetson University in DeLand, Florida from May 21 through 25.  Lipscomb won its first tournament championship to earn the Atlantic Sun Conference's automatic bid to the 2008 NCAA Division I Baseball Tournament.  Lipscomb joined the conference prior to the 2004 season.

2013 Atlantic Sun Conference Baseball Tournament: The 2013 Atlantic Sun Conference Baseball Tournament was held at Melching Field at Conrad Park on the campus of Stetson University in DeLand, FL from May 22 through 25.  won their first tournament championship and claimed the Atlantic Sun Conference's automatic bid to the 2013 NCAA Division I Baseball Tournament.  The Buccaneers joined the conference in 2005.

2006 Atlantic Sun Conference Baseball Tournament: The 2006 Atlantic Sun Conference Baseball Tournament was held at Melching Field at Conrad Park on the campus of Stetson University in DeLand, Florida from May 25 through 27.  Stetson won its sixth tournament championship, and second in a row, to earn the Atlantic Sun Conference's automatic bid to the 2006 NCAA Division I Baseball Tournament.

2010 Atlantic Sun Conference Baseball Tournament: The 2010 Atlantic Sun Conference Baseball Tournament was held at Ken Dugan Field at Stephen Lee Marsh Stadium on the campus of Lipscomb University in Nashville, TN from May 25 through 28.  Mercer won its fourth tournament championship, and first since 1983, to earn the Atlantic Sun Conference's automatic bid to the 2010 NCAA Division I Baseball Tournament.

Supporting paragraphs: 2009 Atlantic Sun Conference Baseball Tournament Stetson University
Answer: 5th