user: Question: Can you tell me the average Total that has the To par of 15?
Columns: ['Player', 'Country', 'Year(s) won', 'Total', 'To par']
Types: ['text', 'text', 'text', 'real', 'real']
Sample row: ['Hale Irwin', 'United States', '1974 , 1979 , 1990', 148.0, 8.0]
SQL:

assistant: SELECT AVG("Total") FROM "Table" WHERE "To par" = 15.0;