CREATE TABLE table_255829_1 (pop_density__per_km_2__ VARCHAR, municipality VARCHAR)

What is the population density of Caramoran?
SELECT pop_density__per_km_2__ FROM table_255829_1 WHERE municipality = "Caramoran"
SELECT "pop_density__per_km_2__" FROM "table_255829_1" WHERE "Caramoran" = "municipality"