Question: The Stranger (Italian: "Lo straniero" ) is a 1967 film by Italian film director Luchino Visconti, based on which 1942 novel, by French author Albert Camus?

Context paragraphs:
Luchino Visconti (film): Luchino Visconti is a 1999 Italian documentary film about the filmmaker Luchino Visconti and directed by Carlo Lizzani.  It stars Claudia Cardinale.

Bellissima (film): Bellissima (1951) is an Italian neorealism film by Italian director Luchino Visconti.  The film, which is a satire of the film industry, was shot at the Cinecittà studios.  Alessandro Blasetti, a contemporary film director, appears as himself.  Bellissima is the only feature film in Visconti's oeuvre with a predominantly comic tone.

House of Visconti: Visconti is the family name of two important Italian noble dynasties of the Middle Ages.  There are two distinct Visconti families: the first one (chronologically) in the Republic of Pisa in the mid twelfth century who achieved prominence first in Pisa, then in Sardinia, where they became rulers of Gallura.  The second family rose to power in Milan, where they ruled from 1277 to 1447, and where several collateral branches still exist.  Pope Gregory X, who reigned from 1271 to 1276, was a member of the Visconti family of Milan.  The renowned film director Luchino Visconti was a scion of this latter family's Visconti of Modrone branch.

Eriprando Visconti: Eriprando Visconti di Modrone, Count of Vico Modrone (September 24, 1932 – May 25, 1995) was an Italian film director, screenwriter, and producer.  He was the nephew of the more famous Luchino Visconti.

The Stranger (novel): L’Étranger (The Outsider [UK], or The Stranger [US]) is a 1942 novel by French author Albert Camus.  Its theme and outlook are often cited as examples of Camus' philosophy of the absurd and existentialism, though Camus personally rejected the latter label.

The Stranger (1967 film): The Stranger (Italian: "Lo straniero" ) is a 1967 film by Italian film director Luchino Visconti, based on Albert Camus' novel "L'Étranger", with Marcello Mastroianni.

The Leopard (1963 film): The Leopard (Italian: "Il Gattopardo" , "The Serval"; alternative title: "Le Guépard") is a 1963 Italian epic period drama film by director Luchino Visconti, based on Giuseppe Tomasi di Lampedusa's novel of the same name.

Conversation Piece (film): Conversation Piece (Italian: Gruppo di famiglia in un interno ) is a 1974 film by Italian director Luchino Visconti.

Senso (film): Senso is a 1954 Italian historical melodrama film, an adaptation of Camillo Boito's Italian novella "Senso" by the Italian director Luchino Visconti, with Alida Valli as Livia Serpieri and Farley Granger as Lieutenant Franz Mahler.

The Innocent (1976 film): The Innocent (Italian: L'innocente ) was the last film made by Italian director Luchino Visconti.  Released in 1976, the film is based on the novel "The Intruder" by Gabriele d'Annunzio.  It was distributed in the U.S. by Analysis Film Releasing Corp.

Supporting paragraphs: The Stranger (1967 film) The Stranger (novel)
Answer: L’Étranger