Table: us_counties_population_2
Columns: rank
county
state
land_area_km
land_area_mi
april_1_2010_census
april_1_2010_density_km
april_1_2010_density_mi
july_1_2010_official_estimate
july_1_2010_density_km
july_1_2010_density_mi
july_1_2011_official_estimate
july_1_2011_density_km
july_1_2011_density_mi
mid_2010_to_mid_2011_change_absolute
mid_2010_to_mid_2011_change
county_seat_or_courthouse

Question: What is the July 1, 2010 density when the April 1, 2010 density is 1,694?
SQL: SELECT "july_1_2010_density_km" FROM us_counties_population_2 WHERE "april_1_2010_density_mi" = '1,694'

Question: Name the mid-2010 to mid-2011 change in the case where then April 1, 2010 census reports 662,564?
SQL: SELECT "mid_2010_to_mid_2011_change_absolute" FROM us_counties_population_2 WHERE "april_1_2010_census" = '662,564'

Question: What is the rank where the July 1, 2010 density equals 437?
SQL: SELECT "rank" FROM us_counties_population_2 WHERE "july_1_2010_density_km" = '437'

Question: What is the July 1, 2011 density if the July 1, 2010 official estimate is 800,482?
SQL: SELECT "july_1_2011_density_mi" FROM us_counties_population_2 WHERE "july_1_2010_official_estimate" = '800,482'

Question: What is the mid-2010 to mid-2011 change where the July 1, 2011 density is 508?
SQL: SELECT "mid_2010_to_mid_2011_change" FROM us_counties_population_2 WHERE "july_1_2011_density_mi" = '508'

Question: What country had a July 1, 2010 density of 41?
SQL: SELECT "county" FROM us_counties_population_2 WHERE "july_1_2010_density_km" = '41'