CREATE TABLE table_25542 ("Event" FLOAT, "Circuit" CLOB, "Date" CLOB, "Pole Position" CLOB, "Race 1 Winner" CLOB, "Race 2 Winner" CLOB, "Race 3 Winner" CLOB)

What date was the race at the Symmons Plains Raceway?
SELECT "Date" FROM table_25542 WHERE "Circuit" = 'Symmons Plains Raceway'
SELECT "Date" FROM "table_25542" WHERE "Circuit" = 'Symmons Plains Raceway'