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 CLOB, age NUMBER, height NUMBER, hometown CLOB)

What is the average horizontal bar points for all gymnasts?
SELECT AVG(horizontal_bar_points) FROM gymnast
SELECT AVG("horizontal_bar_points") FROM "gymnast"