What is the sum of car numbers with less than 126 points and 147 laps?
CREATE TABLE "race_results" (
  "driver" text,
  "car_num" real,
  "make" text,
  "points" real,
  "laps" real,
  "winnings" text
);
SELECT SUM("car_num") FROM "race_results" WHERE "points"<126 AND "laps"=147;