Table schema:
CREATE TABLE table_1480455_1 (population__2005_ VARCHAR, population_density___km_2__ VARCHAR)

Question: 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"