CREATE TABLE "regular_season" (
  "date" text,
  "visitor" text,
  "score" text,
  "home" text,
  "decision" text,
  "attendance" real,
  "record" text
);

Question: What is the score of the game that had a decision of Parent, home team of Philadelphia, and visitor of Pittsburgh?
SQL: SELECT "score" FROM "regular_season" WHERE "decision"='parent' AND "home"='philadelphia' AND "visitor"='pittsburgh';