CREATE TABLE table_204_976 (id DECIMAL, "pos" TEXT, "driver" TEXT, "entrant" TEXT, "constructor" TEXT, "time/retired" TEXT, "grid" DECIMAL)

which driver did not have his/her car ready ?
SELECT "driver" FROM table_204_976 WHERE "time/retired" = 'car not ready'
SELECT "driver" FROM "table_204_976" WHERE "time/retired" = 'car not ready'