How many Losses have South West DFL of coleraine, and an Against smaller than 891?
CREATE TABLE "2010_ladder" (
  "south_west_dfl" text,
  "wins" real,
  "byes" real,
  "losses" real,
  "draws" real,
  "against" real
);
SELECT COUNT("losses") FROM "2010_ladder" WHERE "south_west_dfl"='coleraine' AND "against"<891;