user: Question: Name the county for mccain being 38.78%
Columns: ['County', 'Obama%', 'Obama#', 'McCain%', 'McCain#', 'Others%', 'Others#', 'Total']
Types: ['text', 'text', 'real', 'text', 'real', 'text', 'real', 'real']
Sample row: ['Fairfield', '58.73%', 242936.0, '40.55%', 167736.0, '0.71%', 2955.0, 413627.0]
SQL:

assistant: SELECT "County" FROM "Table" WHERE "McCain%" = '38.78%';