text: --  lists all genres of the show Dexter
  SELECT tv_genres.name
    FROM tv_shows
    JOIN tv_show_genres
    ON tv_shows.id = tv_show_genres.show_id
    JOIN tv_genres
    ON tv_show_genres.genre_id = tv_genres.id
    WHERE tv_shows.title = 'Dexter'
    ORDER BY tv_genres.name ASC;
  