Flap of 0, and a Race smaller than 2, and a Season of 1989, and a Pole smaller than 0 had what average podium?
CREATE TABLE "by_season" (
  "season" text,
  "race" real,
  "podium" real,
  "pole" real,
  "f_lap" real
);
SELECT AVG("podium") FROM "by_season" WHERE "f_lap"=0 AND "race"<2 AND "season"='1989' AND "pole"<0;