CREATE TABLE table_2155836_1 (population__millions VARCHAR(255), _2011_ VARCHAR(255), hdi__2011_ VARCHAR(255))
What is the population in millions for 2011 where the HDI for 2011 is 0.453 (low)?
    
SQL: SELECT population__millions, _2011_ FROM table_2155836_1 WHERE hdi__2011_ = "0.453 (low)"