What is the highest localities?
CREATE TABLE "table1_26007767_1" (
  "metropolitan_ring" text,
  "localities" real,
  "total" real,
  "jews_and_others_1" real,
  "thereof_jews" real,
  "arabs" real,
  "population_density_per_km" text,
  "annual_population_growth_rate" text
);
SELECT MAX("localities") FROM "table1_26007767_1";