CREATE TABLE table_3067 ("Round" FLOAT, "Date" TEXT, "Country" TEXT, "Circuit" TEXT, "Sprint Winner" TEXT, "Main Winner" TEXT, "Report" TEXT)

Name the date for eastern creek raceway
SELECT "Date" FROM table_3067 WHERE "Circuit" = 'Eastern Creek Raceway'
SELECT "Date" FROM "table_3067" WHERE "Circuit" = 'Eastern Creek Raceway'