Table: city_density
Columns: rank
census_designated_place
metropolitan_area
state
population_2000_census
land_area_mi_2
population_density_people_per_mi_2

Question: which area has a rank of 60?
SQL: SELECT "metropolitan_area" FROM city_density WHERE "rank" = 60

Question: what is the total number of population where census designated place is westmont?
SQL: SELECT COUNT("population_2000_census") FROM city_density WHERE "census_designated_place" = 'Westmont'

Question: what is the total number of census designated places with a population of 10581?
SQL: SELECT COUNT("census_designated_place") FROM city_density WHERE "population_2000_census" = 10581