CREATE TABLE musical (Musical_ID INT, Name TEXT, Year INT, Award TEXT, Category TEXT, Nominee TEXT, Result TEXT)
CREATE TABLE actor (Actor_ID INT, Name TEXT, Musical_ID INT, Character TEXT, Duration TEXT, age INT)

Group and count the durations for each actor with a bar graph, sort from low to high by the bar please.
SELECT Duration, COUNT(Duration) FROM actor GROUP BY Duration ORDER BY Duration
SELECT "Duration", COUNT("Duration") FROM "actor" GROUP BY "Duration" ORDER BY "Duration" NULLS FIRST