CREATE TABLE table_204_511 (id NUMBER, "number" NUMBER, "driver" CLOB, "entrant" CLOB, "chassis" CLOB, "engine" CLOB, "tyre" CLOB)

who is the only driver to use a ferrari chassis ?
SELECT "driver" FROM table_204_511 WHERE "chassis" = 'ferrari'
SELECT "driver" FROM "table_204_511" WHERE "chassis" = 'ferrari'