Table: south_bohemian_region_data
Columns: district
population
area
pop_dens
no_of_settlements

Question: How many settlements are in český krumlov (ck) with a population density higher than 38?
SQL: SELECT SUM("no_of_settlements") FROM south_bohemian_region_data WHERE "district" = 'český krumlov (ck)' AND "pop_dens" > 38

Question: What is the lowest population density of Strakonice (st) with more than 112 settlements?
SQL: SELECT MIN("pop_dens") FROM south_bohemian_region_data WHERE "district" = 'strakonice (st)' AND "no_of_settlements" > 112