user: Question: What was the winning score in the U.S. Women's Open that was won by 5 strokes?
Columns: ['Year', 'Championship', 'Winning score', 'Margin', 'Runner(s)-up']
Types: ['real', 'text', 'text', 'text', 'text']
Sample row: [1958.0, 'LPGA Championship', '+8 (69-69-76-74=288)', '6 strokes', 'Fay Crocker']
SQL:

assistant: SELECT "Winning score" FROM "Table" WHERE "Championship" = 'U.S. Women''s Open' AND "Margin" = '5 strokes';