What is the score when Biron got the decision and Philadelphia was the visitor on March 1?
CREATE TABLE "regular_season" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "decision" text,
  "attendance" real,
  "record" text
);
SELECT "score" FROM "regular_season" WHERE "decision"='biron' AND "visitor"='philadelphia' AND "date"='march 1';