What is the highest number of draws with more than 15 points, an against of 19, and less than 3 losses?
CREATE TABLE "laf_s_campeonato_paulista" (
  "position" real,
  "team" text,
  "points" real,
  "played" real,
  "drawn" real,
  "lost" real,
  "against" real,
  "difference" text
);
SELECT MAX("drawn") FROM "laf_s_campeonato_paulista" WHERE "points">15 AND "against"=19 AND "lost"<3;