What is the score when Philadelphia was the visitor with a Record of 7–4–0?
CREATE TABLE "regular_season" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "decision" text,
  "attendance" real,
  "record" text
);
SELECT "score" FROM "regular_season" WHERE "visitor"='philadelphia' AND "record"='7–4–0';