Table: countries_info
Columns: country_or_territory_with_flag
area_km_per_sqmi
population_july_2009_est
population_density_per_km
capital

Question: What was the area (km²) (per sqmi) of the country Colombia?
SQL: SELECT "area_km_per_sqmi" FROM countries_info WHERE "country_or_territory_with_flag" = 'Colombia'

Question: What was the maximum population of the country with Quito as capital?
SQL: SELECT MAX("population_july_2009_est") FROM countries_info WHERE "capital" = 'Quito'

Question: What was the population of a country with a population density of 14.3/km² (/sqmi)?
SQL: SELECT "population_july_2009_est" FROM countries_info WHERE "population_density_per_km" = '14.3/km² (/sqmi)'

Question: What was the area (km²) (per sqmi) of a country with a population density per km² of 8.4/km² (/sqmi)?
SQL: SELECT "area_km_per_sqmi" FROM countries_info WHERE "population_density_per_km" = '8.4/km² (/sqmi)'

Question: What was the country with a population density per km² of 3.5/km² (/sqmi)?
SQL: SELECT "country_or_territory_with_flag" FROM countries_info WHERE "population_density_per_km" = '3.5/km² (/sqmi)'

Question: What is the capital of the country with a population density per km² of 15.6/km² (/sqmi)?
SQL: SELECT "capital" FROM countries_info WHERE "population_density_per_km" = '15.6/km² (/sqmi)'