CREATE TABLE reviewer (rid DECIMAL, name TEXT)
CREATE TABLE movie (mid DECIMAL, title TEXT, year DECIMAL, director TEXT)
CREATE TABLE rating (rid DECIMAL, mid DECIMAL, stars DECIMAL, ratingdate TIME)

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") NULLS FIRST LIMIT 1