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

What are the minimum and maximum crime rate of counties?
SELECT MIN(crime_rate), MAX(crime_rate) FROM county_public_safety
SELECT MIN("crime_rate"), MAX("crime_rate") FROM "county_public_safety"