CREATE TABLE "population_by_district" (
  "city_district" text,
  "area_km" text,
  "population_2007_census_hab" text,
  "housing_2007" text,
  "density_hab_km" text,
  "elevation_msl" text
);

Question: What is the elevation of the city with a number of 91,385 Housing dwellings in 2007?
SQL: SELECT "elevation_msl" FROM "population_by_district" WHERE "housing_2007"='91,385';

Question: What is the density of San Sebastián?
SQL: SELECT "density_hab_km" FROM "population_by_district" WHERE "city_district"='san sebastián';

Question: What is the density of the city with an elevation of 3,400 msl?
SQL: SELECT "density_hab_km" FROM "population_by_district" WHERE "elevation_msl"='3,400 msl';

Question: What is the area of the city with a density of 8,546.1?
SQL: SELECT "area_km" FROM "population_by_district" WHERE "density_hab_km"='8,546.1';

Question: What is the area of the city with a density of 955.6?
SQL: SELECT "area_km" FROM "population_by_district" WHERE "density_hab_km"='955.6';

Question: What is the density of San Sebastián?
SQL: SELECT "density_hab_km" FROM "population_by_district" WHERE "city_district"='san sebastián';