CREATE TABLE table_70335 ("Race" FLOAT, "Circuit" CLOB, "Location / State" CLOB, "Date" CLOB, "Winner" CLOB, "Team" CLOB)

How many races were in the Mallala Motor Sport Park circuit?
SELECT COUNT("Race") FROM table_70335 WHERE "Circuit" = 'mallala motor sport park'
SELECT COUNT("Race") FROM "table_70335" WHERE "Circuit" = 'mallala motor sport park'