CREATE TABLE table_38309 ("Nation" TEXT, "Height" TEXT, "Athlete" TEXT, "Venue" TEXT, "Date" TEXT)

What was the date that Elvir Krehmic made a high jump record?
SELECT "Date" FROM table_38309 WHERE "Athlete" = 'elvir krehmic'
SELECT "Date" FROM "table_38309" WHERE "Athlete" = 'elvir krehmic'