Give me the comparison about the sum of Weight over the Sex , and group by attribute Sex by a bar chart.
CREATE TABLE candidate (
    Candidate_ID int,
    People_ID int,
    Poll_Source text,
    Date text,
    Support_rate real,
    Consider_rate real,
    Oppose_rate real,
    Unsure_rate real
)

CREATE TABLE people (
    People_ID int,
    Sex text,
    Name text,
    Date_of_Birth text,
    Height real,
    Weight real
)
SELECT Sex, SUM(Weight) FROM people GROUP BY Sex
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: Give me the comparison about the sum of Weight over the Sex , and group by attribute Sex by a bar chart. ### Input: CREATE TABLE candidate (
    Candidate_ID int,
    People_ID int,
    Poll_Source text,
    Date text,
    Support_rate real,
    Consider_rate real,
    Oppose_rate real,
    Unsure_rate real
)

CREATE TABLE people (
    People_ID int,
    Sex text,
    Name text,
    Date_of_Birth text,
    Height real,
    Weight real
) ### Response: SELECT Sex, SUM(Weight) FROM people GROUP BY Sex