CREATE TABLE table_53826 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

Who was the Runner(s)-up on the Date 4 Oct 2009?
SELECT "Runner(s)-up" FROM table_53826 WHERE "Date" = '4 oct 2009'
SELECT "Runner(s)-up" FROM "table_53826" WHERE "Date" = '4 oct 2009'