How many times has the Cornwall HC team, that has scored more than 18 goals, lost ?
CREATE TABLE "final_standing" (
  "team" text,
  "games_played" real,
  "wins" real,
  "losses" real,
  "ties" real,
  "goals_for" real,
  "goals_against" real
);
SELECT COUNT("losses") FROM "final_standing" WHERE "team"='cornwall hc' AND "goals_for">18;