user: Question: Which Total is the lowest one that has a Country of United States, and a To par of +12?
Columns: ['Player', 'Country', 'Year(s) won', 'Total', 'To par', 'Finish']
Types: ['text', 'text', 'text', 'real', 'text', 'text']
Sample row: ['Lee Trevino', 'United States', '1968', 280.0, 'E', '1']
SQL:

assistant: SELECT MIN("Total") FROM "Table" WHERE "Country" = 'United States' AND "To par" = '+12';