CREATE TABLE "references" (
  "urban_area_locality" text,
  "municipality" text,
  "population" real,
  "land_area_hectares" text,
  "density_inh_km" text,
  "code" real
);

Question: How many hectars of land is in Kaxholmen?
SQL: SELECT "land_area_hectares" FROM "references" WHERE "urban_area_locality"='Kaxholmen';

Question: How many codes have a population of 598 in Vellinge Municipality?
SQL: SELECT COUNT("code") FROM "references" WHERE "municipality"='Vellinge Municipality' AND "population"=598;

Question: Which urban area has the code 4870?
SQL: SELECT "urban_area_locality" FROM "references" WHERE "code"=4870;

Question: How many people live in an area of 30.94 hectares?
SQL: SELECT COUNT("population") FROM "references" WHERE "land_area_hectares"='30.94';

Question: How many hectares of land area is Landsbro?
SQL: SELECT "land_area_hectares" FROM "references" WHERE "urban_area_locality"='Landsbro';