What was the score when the visitor was toronto maple leafs on march 22?
CREATE TABLE "toronto_maple_leafs_4_montreal_canadiens" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "record" text
);
SELECT "score" FROM "toronto_maple_leafs_4_montreal_canadiens" WHERE "visitor"='toronto maple leafs' AND "date"='march 22';