CREATE TABLE table_6292 ("County" TEXT, "Area  ( acres ) " TEXT, "Area  ( km\\u00b2 ) " FLOAT, "Population" FLOAT, "Population Density  ( per km 2  ) " FLOAT)

What is the lowest population of the county with an area (km ) of 565.39 and a population density less than 23.54?
SELECT MIN("Population") FROM table_6292 WHERE "Area (km\u00b2)" = '565.39' AND "Population Density (per km 2 )" < '23.54'
SELECT MIN("Population") FROM "table_6292" WHERE "Area (km\u00b2)" = '565.39' AND "Population Density (per km 2 )" < '23.54'