Table: greek_prefectures
Columns: number_in_map
prefecture
area_km
population_2001
pop_density_km

Question: How many prefectures have an area of 361.719 kilometers squared?
SQL: SELECT COUNT("prefecture") FROM greek_prefectures WHERE "area_km" = '361.719'

Question: What prefecture is listed in the map as number 39?
SQL: SELECT "prefecture" FROM greek_prefectures WHERE "number_in_map" = '39'

Question: How many prefectures have a population density of 16 people/kilometers squared?
SQL: SELECT COUNT("pop_density_km") FROM greek_prefectures WHERE "number_in_map" = '16'