What is the area km2 of the area with a pop density people/km2 larger than 91, is a member state of Italy, and had less than 58.8 population in millions?
CREATE TABLE "area_and_population" (
  "member_state" text,
  "population_in_millions" real,
  "population_pct_of_eu" text,
  "area_km_2" real,
  "area_pct_of_eu" text,
  "pop_density_people_km_2" real
);
SELECT SUM("area_km_2") FROM "area_and_population" WHERE "pop_density_people_km_2">91 AND "member_state"='italy' AND "population_in_millions"<58.8;