user: Question: What were the shots below par when the winning score was 69-66-69-64=268?
Columns: ['No.', 'Date', 'Tournament', 'Winning score', 'To par', 'Margin of victory', 'Runner(s)-up']
Types: ['real', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: [1.0, 'Oct 15, 1995', 'Las Vegas Invitational', '67-65-65-67-67=331', '–28', '1 stroke', 'Billy Mayfair']
SQL:

assistant: SELECT "To par" FROM "Table" WHERE "Winning score" = '69-66-69-64=268';