A movie can be produced in arbitrarily many countries; each being described by a c and name. Movies are further described by a list of genres, the language of the original title, and country code, a list of spoken languages. Every language has a corresponding code, and an endonym (i.e., internal) name. The cast of a movie is composed of one or multiple actors, each playing one or multiple roles (characters) in the movie. A single actor might belong to the cast of one or many movies, has a unique ID, a non-unique name, a gender (female, male, other), and lives in exactly one country. Every movie might receive an unlimited number of user ratings. A single rating of a