Find the movie(s) with the highest average rating. Return the movie title(s) and average rating(avg_rating). (Hint: This query is more difficult to write in SQLite than other systems; you might think of it as finding the highest average rating and then choosing the movie(s) with that average rating.)

You can find the full data description here

movie ( mID, title, year, director )

English: There is a movie with ID number mID, a title, a release year, and a director.

reviewer ( rID, name )

English: The reviewer with ID number rID has a certain name.

rating ( rID, mID, stars, ratingDate )

English: The reviewer rID gave the movie mID a number of stars rating (1-5) on a certain ratingDate.