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