Which is the lowest points value that had a Chevrolet car, whose driver was Sterling Marlin, and whose car number was less than 14?
CREATE TABLE "race_results" (
  "driver" text,
  "car_num" real,
  "make" text,
  "points" real,
  "laps" real,
  "winnings" text
);
SELECT MIN("points") FROM "race_results" WHERE "make"='chevrolet' AND "driver"='sterling marlin' AND "car_num"<14;