Which driver for Maserati has more laps than 23 and a grid greater than 7?
CREATE TABLE "classification" (
  "driver" text,
  "constructor" text,
  "laps" real,
  "time_retired" text,
  "grid" real
);
SELECT "driver" FROM "classification" WHERE "constructor"='maserati' AND "laps">23 AND "grid">7;