What is the result of Chris Gratton and Philadelphia Flyers as the Offer Team?
CREATE TABLE "signed_offer_sheets" (
  "player" text,
  "date" text,
  "original_team" text,
  "offer_team" text,
  "result" text
);
SELECT "result" FROM "signed_offer_sheets" WHERE "offer_team"='philadelphia flyers' AND "player"='chris gratton';