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

What is the averag weights for people of each sex? Show a bar chart.
SELECT Sex, AVG(Weight) FROM people GROUP BY Sex
SELECT "Sex", AVG("Weight") FROM "people" GROUP BY "Sex"