user: Question: What is the county of precints 515?
Columns: ['County', 'Precincts', 'Lunsford', '% Lunsford', 'McConnell', '% McConnell', 'Total']
Types: ['text', 'real', 'real', 'text', 'real', 'text', 'text']
Sample row: ['Adair', 16.0, 2198.0, '30.88%', 4920.0, '69.12%', '7,118 (R)']
SQL:

assistant: SELECT "County" FROM "Table" WHERE "Precincts" = 515.0;