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)

Give me the comparison about the average of Height over the Sex , and group by attribute Sex, I want to sort from low to high by the mean height.
SELECT Sex, AVG(Height) FROM people GROUP BY Sex ORDER BY AVG(Height)
SELECT "Sex", AVG("Height") FROM "people" GROUP BY "Sex" ORDER BY AVG("Height")