CREATE TABLE competition_result (competition_id DECIMAL, club_id_1 DECIMAL, club_id_2 DECIMAL, score TEXT)
CREATE TABLE player (player_id DECIMAL, name TEXT, position TEXT, club_id DECIMAL, apps DECIMAL, tries DECIMAL, goals TEXT, points DECIMAL)
CREATE TABLE club (club_id DECIMAL, name TEXT, region TEXT, start_year TEXT)
CREATE TABLE competition (competition_id DECIMAL, year DECIMAL, competition_type TEXT, country TEXT)
CREATE TABLE club_rank (rank DECIMAL, club_id DECIMAL, gold DECIMAL, silver DECIMAL, bronze DECIMAL, total DECIMAL)

List the position of players with average number of points scored by players of that position bigger than 20.
SELECT position FROM player GROUP BY name HAVING AVG(points) >= 20
SELECT "position" FROM "player" GROUP BY "name" HAVING AVG("points") >= 20