user: Question: Which Championship was Louise Suggs the runner-up by 3 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 "Championship" FROM "Table" WHERE "Runner(s)-up" = 'Louise Suggs' AND "Margin" = '3 strokes';