CREATE TABLE table_38520 ("Date" CLOB, "Tournament" CLOB, "Winning score" CLOB, "Margin of victory" CLOB, "Runner ( s ) -up" CLOB)

Which Margin of victory has a Runner(s)-up of mark o'meara?
SELECT "Margin of victory" FROM table_38520 WHERE "Runner(s)-up" = 'mark o''meara'
SELECT "Margin of victory" FROM "table_38520" WHERE "Runner(s)-up" = 'mark o''meara'