Find the names(name) of all reviewers who have contributed three or more ratings. (As an extra challenge, try writing the query without HAVING or without COUNT.)

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.