CREATE TABLE table_1480455_1 (population__2005_ VARCHAR(255), population_density___km_2__ VARCHAR(255))
What is the total number of population in the year 2005 where the population density 35.9 (/km 2)?
    
SQL: SELECT COUNT(population__2005_) FROM table_1480455_1 WHERE population_density___km_2__ = "35.9"