What are the movie titles and average rating of the movies with the lowest average rating?
SELECT T2.title ,  avg(T1.stars) FROM Rating AS T1 JOIN Movie AS T2 ON T1.mID  =  T2.mID GROUP BY T1.mID ORDER BY avg(T1.stars) LIMIT 1
SELECT T2.title ,  avg(T1.stars) FROM Rating AS T1 JOIN Movie AS T2 ON T1.mID  =  T2.mID GROUP BY T1.mID ORDER BY avg(T1.stars) LIMIT 1
[{'title': 'The Sound of Music', 'avg(T1.stars)': 2.5}]