What is the minimum losses for the Kansas City Chiefs?
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 MIN("losses") FROM "notes" WHERE "team"='Kansas City Chiefs';