CREATE TABLE candidate (Candidate_ID NUMBER, People_ID NUMBER, Poll_Source CLOB, Date CLOB, Support_rate FLOAT, Consider_rate FLOAT, Oppose_rate FLOAT, Unsure_rate FLOAT)
CREATE TABLE people (People_ID NUMBER, Sex CLOB, Name CLOB, Date_of_Birth CLOB, Height FLOAT, Weight FLOAT)

Show the average of weight from each sex, show by the Sex in desc.
SELECT Sex, AVG(Weight) FROM people GROUP BY Sex ORDER BY Sex DESC
SELECT "Sex", AVG("Weight") FROM "people" GROUP BY "Sex" ORDER BY "Sex" DESC