CREATE TABLE "members" (
  "country" text,
  "area_km" text,
  "population_millions_2011" text,
  "gdp_ppp_usd_per_capita" real,
  "gdp_nominal_billions_usd" text,
  "hdi_2011" text
);

Question: What is the population in millions for 2011 where the HDI for 2011 is 0.453 (low)?
SQL: SELECT "population_millions_2011" FROM "members" WHERE "hdi_2011"='0.453 (low)';

Question: What is the population in millions for 2011 where the GDP (nominal) (billions USD) is 4? 
SQL: SELECT "population_millions_2011" FROM "members" WHERE "gdp_nominal_billions_usd"='4';

Question: What is the HDI for 2011 in Tunisia? 
SQL: SELECT "hdi_2011" FROM "members" WHERE "country"='Tunisia';

Question: What is the area (km2) where the population in millions for 2011 is 37.1? 
SQL: SELECT "area_km" FROM "members" WHERE "population_millions_2011"='37.1';

Question: What is the GDP (PPP) (USD, per capita) for Algeria? 
SQL: SELECT MIN("gdp_ppp_usd_per_capita") FROM "members" WHERE "country"='Algeria';

Question: What is the GDP (nominal) (billions USD) where the population in millions for 2011 is 3.4? 
SQL: SELECT "gdp_nominal_billions_usd" FROM "members" WHERE "population_millions_2011"='3.4';