What classes have driven greater than 133 laps, placed above 18th position and have a class position of 1st?
CREATE TABLE "24_hours_of_le_mans_results" (
  "year" real,
  "team" text,
  "co_drivers" text,
  "class" text,
  "laps" real,
  "pos" text,
  "class_pos" text
);
SELECT "class" FROM "24_hours_of_le_mans_results" WHERE "laps">133 AND "pos"='18th' AND "class_pos"='1st';