CREATE TABLE table_55293 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

What was the winning score when Damien McGrane was runner-up?
SELECT "Winning score" FROM table_55293 WHERE "Runner(s)-up" = 'damien mcgrane'
SELECT "Winning score" FROM "table_55293" WHERE "Runner(s)-up" = 'damien mcgrane'