How many division titles are there when the win pc is .558?
CREATE TABLE "notes" (
  "team" text,
  "games" real,
  "wins" real,
  "losses" real,
  "ties" real,
  "win_pct" text,
  "playoff_berths" real,
  "division_titles" real,
  "postseason_record" text,
  "super_bowl_record" text
);
SELECT "division_titles" FROM "notes" WHERE "win_pct"='.558';