CREATE TABLE table_40654 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "To par" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What was the winning score for the tournament with a margin of victory of 7 strokes?
SELECT "Winning score" FROM table_40654 WHERE "Margin of victory" = '7 strokes'
SELECT "Winning score" FROM "table_40654" WHERE "Margin of victory" = '7 strokes'