How many drivers where there when the time/retired +3 laps and points were 24?
CREATE TABLE "classification" (
  "fin_pos" real,
  "car_no" real,
  "driver" text,
  "team" text,
  "laps" real,
  "time_retired" text,
  "grid" real,
  "laps_led" real,
  "points" text
);
SELECT COUNT("driver") FROM "classification" WHERE "time_retired"='+3 Laps' AND "points"='24';