How many positions had a difference of - 4 and an against of less than 24?
CREATE TABLE "torneio_rio_s_o_paulo" (
  "position" real,
  "team" text,
  "points" real,
  "played" real,
  "drawn" real,
  "lost" real,
  "against" real,
  "difference" text
);
SELECT COUNT("position") FROM "torneio_rio_s_o_paulo" WHERE "difference"='- 4' AND "against"<24;