CREATE TABLE table_204_378 (id NUMBER, "no" NUMBER, "driver" CLOB, "entrant" CLOB, "constructor" CLOB, "chassis" CLOB, "engine" CLOB, "tyre" CLOB)

how many drivers used maserati as their constructor ?
SELECT COUNT("driver") FROM table_204_378 WHERE "constructor" = 'maserati'
SELECT COUNT("driver") FROM "table_204_378" WHERE "constructor" = 'maserati'