What is the area (km²) for the country with a population of 16967000?
CREATE TABLE "prospective_members" (
  "country" text,
  "population" real,
  "area_km" real,
  "gdp_nominal" text,
  "gdp_per_capita_nominal" text
);
SELECT MIN("area_km") FROM "prospective_members" WHERE "population"=16967000;