Who was the winner when the Philadelphia eagles were the losers after 1958 at Yankee Stadium?
CREATE TABLE "1950s_giants_13_7" (
  "year" real,
  "date" text,
  "winner" text,
  "result" text,
  "loser" text,
  "location" text
);
SELECT "winner" FROM "1950s_giants_13_7" WHERE "loser"='philadelphia eagles' AND "location"='yankee stadium' AND "year">1958;