Question: What is the lowest population of the county with an area (km²) of 565.39 and a population density less than 23.54?
SQL: SELECT MIN("Population") FROM "2-15262161-1" WHERE "Area (km²)" = 565.39 AND "Population Density (per km 2 )" < 23.54;

Question: What is the area (km²) of nairnshire county, which has a population less than 11050?
SQL: SELECT SUM("Area (km²)") FROM "2-15262161-1" WHERE "County" = 'nairnshire' AND "Population" < 11050.0;