Name the lease for when points is 19
CREATE TABLE "table1_15400878_1" (
  "position" real,
  "team" text,
  "points" real,
  "played" real,
  "won" real,
  "drawn" real,
  "lost" real,
  "for" real,
  "against" real,
  "difference" text
);
SELECT MIN("for") FROM "table1_15400878_1" WHERE "points"=19;