user: Question: Which is the largest area in Greenville County, by square mile?
Columns: ['County', 'Year Founded', 'County Seat', '2010 Census Population', 'July 1, 2012 Population Estimate.', 'Area (Sq. Mi.)', 'Land Area (Sq. Mi.)']
Types: ['text', 'text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['Abbeville County', '1785', 'Abbeville', 25417.0, 25101.0, 511.0, 508.0]
SQL:

assistant: SELECT MAX("Area (Sq. Mi.)") FROM "Table" WHERE "County" = 'Greenville County';