What is the score of the Boston Bruins game from April 11?
CREATE TABLE "boston_bruins_4_hartford_whalers_2" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "record" text
);
SELECT "score" FROM "boston_bruins_4_hartford_whalers_2" WHERE "home"='boston bruins' AND "date"='april 11';