CREATE TABLE table_50777 ("Circuit" CLOB, "Location / State" CLOB, "Date" CLOB, "Winner" CLOB, "Team" CLOB)

The Eastern Creek Raceway circuit is on what date?
SELECT "Date" FROM table_50777 WHERE "Circuit" = 'eastern creek raceway'
SELECT "Date" FROM "table_50777" WHERE "Circuit" = 'eastern creek raceway'