CREATE TABLE table_78252 ("Race Title" CLOB, "Circuit" CLOB, "City / State" CLOB, "Date" CLOB, "Winner" CLOB, "Team" CLOB)

When was the Mallala race held?
SELECT "Date" FROM table_78252 WHERE "Race Title" = 'mallala'
SELECT "Date" FROM "table_78252" WHERE "Race Title" = 'mallala'