CREATE TABLE table_15355 ("Date" TEXT, "City" TEXT, "Event" TEXT, "Winner" TEXT, "Prize" TEXT)

What is the name of the event that had a prize of z 1,226,711?
SELECT "Event" FROM table_15355 WHERE "Prize" = 'zł 1,226,711'
SELECT "Event" FROM "table_15355" WHERE "Prize" = 'zł 1,226,711'