What is the highest Density for the independencia province, with an area smaller than 2,007.4?
CREATE TABLE "by_population_density" (
  "rank" real,
  "province" text,
  "population" real,
  "area" real,
  "density" real
);
SELECT MAX("density") FROM "by_population_density" WHERE "province"='independencia' AND "area"<'2,007.4';