What is the Visitor of the Montreal Canadiens Home game with a Record of 6–4–4?
CREATE TABLE "regular_season" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "record" text
);
SELECT "visitor" FROM "regular_season" WHERE "home"='montreal canadiens' AND "record"='6–4–4';