SELECT T1.total_points FROM gymnast AS T1 JOIN people AS T2 ON T1.gymnast_id = T2.people_id ORDER BY T2.age LIMIT 1
Return the total points of the gymnast with the lowest age.
CREATE TABLE gymnast (
    gymnast_id number,
    floor_exercise_points number,
    pommel_horse_points number,
    rings_points number,
    vault_points number,
    parallel_bars_points number,
    horizontal_bar_points number,
    total_points number
)

CREATE TABLE people (
    people_id number,
    name text,
    age number,
    height number,
    hometown text
)