[PAR] [TLE] 2009 U.S. Open (golf) [SEP] The 2009 United States Open Championship was the 109th U.S. Open, held June 18–22 on the Black Course of Bethpage State Park on Long Island, in Farmingdale, New York.  Lucas Glover won his only major title, two strokes ahead of runners-up Ricky Barnes, David Duval, and Phil Mickelson. [PAR] [TLE] Farmingdale, New York [SEP] The Incorporated Village of Farmingdale is an incorporated village on Long Island within the Town of Oyster Bay in Nassau County, New York, in the United States.  The population was 8,189 at the 2010 Census.
[PAR] [TLE] 2009 U.S. Open ( golf ) [ SEP ] The 2009 United States Open Championship was the 109th U.S. Open , held June 18–22 on the Black Course of Bethpage State Park on Long Island , in Farmingdale , New York . Lucas Glover won his only major title , two strokes ahead of runners - up Ricky Barnes , David Duval , and Phil Mickelson . [PAR] [TLE] Farmingdale , New York [ SEP ] The Incorporated Village of Farmingdale is an incorporated village on Long Island within the Town of Oyster Bay in Nassau County , New York , in the United States . The population was 8,189 at the 2010 Census .
The 2009 United States Open Championship was held in what county?
The 2009 United States Open Championship was held in what county ?
Nassau
Nassau