What is the total number of area km2 with a 4.2 population in millions and is a member state of the Czech Republic?
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 COUNT("area_km_2") FROM "area_and_population" WHERE "population_in_millions">4.2 AND "member_state"='czech republic';