CREATE TABLE table_55227 ("Event" TEXT, "Record" TEXT, "Athlete" TEXT, "Nationality" TEXT, "Date" TEXT)

What is the record for the 400 m event on 4 september 2009?
SELECT "Record" FROM table_55227 WHERE "Date" = '4 september 2009' AND "Event" = '400 m'
SELECT "Record" FROM "table_55227" WHERE "Date" = '4 september 2009' AND "Event" = '400 m'