What is the highest population of a city that has a town status of 2010?
CREATE TABLE "city_status_since_after_1996" (
  "city" text,
  "municipality" text,
  "county" text,
  "town_status" text,
  "population" real
);
SELECT MAX("population") FROM "city_status_since_after_1996" WHERE "town_status"='2010';