CREATE TABLE table_76335 ("District" TEXT, "Population" FLOAT, "Area" FLOAT, "Pop. Dens." FLOAT, "No.of Settlements" FLOAT)

How many settlements are in esk krumlov (ck) with a population density higher than 38?
SELECT SUM("No.of Settlements") FROM table_76335 WHERE "District" = 'český krumlov (ck)' AND "Pop. Dens." > '38'
SELECT SUM("No.of Settlements") FROM "table_76335" WHERE "District" = 'český krumlov (ck)' AND "Pop. Dens." > '38'