CREATE TABLE table_204_378 (id DECIMAL, "no" DECIMAL, "driver" TEXT, "entrant" TEXT, "constructor" TEXT, "chassis" TEXT, "engine" TEXT, "tyre" TEXT)

who is the only person to drive a veritas ?
SELECT "driver" FROM table_204_378 WHERE "constructor" = 'veritas'
SELECT "driver" FROM "table_204_378" WHERE "constructor" = 'veritas'