CREATE TABLE county_public_safety (county_id DECIMAL, name TEXT, population DECIMAL, police_officers DECIMAL, residents_per_officer DECIMAL, case_burden DECIMAL, crime_rate DECIMAL, police_force TEXT, location TEXT)
CREATE TABLE city (city_id DECIMAL, county_id DECIMAL, name TEXT, white DECIMAL, black DECIMAL, amerindian DECIMAL, asian DECIMAL, multiracial DECIMAL, hispanic DECIMAL)

Show the case burden of counties in descending order of population.
SELECT case_burden FROM county_public_safety ORDER BY population DESC
SELECT "case_burden" FROM "county_public_safety" ORDER BY "population" DESC NULLS LAST