What is the average drawn number of the team with less than 70 points and less than 46 played?
CREATE TABLE "campeonato_brasileiro_s_rie_a" (
  "position" real,
  "team" text,
  "points" real,
  "played" real,
  "drawn" real,
  "lost" real,
  "against" real,
  "difference" text
);
SELECT AVG("drawn") FROM "campeonato_brasileiro_s_rie_a" WHERE "points"<70 AND "played"<46;