CREATE TABLE table_38516 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

Which Margin of victory has a Runner(s)-up of buddy gardner?
SELECT "Margin of victory" FROM table_38516 WHERE "Runner(s)-up" = 'buddy gardner'
SELECT "Margin of victory" FROM "table_38516" WHERE "Runner(s)-up" = 'buddy gardner'