CREATE TABLE weather (date VARCHAR2, max_temperature_f VARCHAR2, min_temperature_f VARCHAR2)

Find the day in which the difference between the max temperature and min temperature was the smallest. Also report the difference.
SELECT date, max_temperature_f - min_temperature_f FROM weather ORDER BY max_temperature_f - min_temperature_f LIMIT 1
SELECT "date", "max_temperature_f" - "min_temperature_f" FROM "weather" ORDER BY "max_temperature_f" - "min_temperature_f" FETCH FIRST 1 ROWS ONLY