What was the score of the league cup in the 2007-08 season?
CREATE TABLE "matches_played" (
  "season" text,
  "date" text,
  "venue" text,
  "competition" text,
  "score" text,
  "attendance" real,
  "report" text
);
SELECT "score" FROM "matches_played" WHERE "competition"='league cup' AND "season"='2007-08';