CREATE TABLE table_7219 ("Date" TEXT, "Tournament" TEXT, "Winning score" TEXT, "Margin of victory" TEXT, "Runner ( s ) -up" TEXT)

For the tournament played on 16 Jan 2011, what was the winning score?
SELECT "Winning score" FROM table_7219 WHERE "Date" = '16 jan 2011'
SELECT "Winning score" FROM "table_7219" WHERE "Date" = '16 jan 2011'