Question: What is the name of the film director who directed a famous movie trilogy highlighting the classic film "Viridiana", that starred one of the actors in the Mexican comedy film "My Three Merry Widows"?

Context paragraphs:
Saving Private Perez: Saving Private Perez is a 2011 Mexican comedy film.  The movie follows Julian Perez, a Mexican organized crime leader, who is asked by his mother to rescue his brother, Juan Perez, a United States Army Private fighting in Iraq.  Julian sets up a team of four hand-picked Mexican men for the mission: two fat old men, a convicted murderer who is rescued from prison, and Julian's best friend, a Native American tomato farmer.  They travel to Turkey and meet Sasha, a Russian druggie.

Los Cuervos están de luto: Los Cuervos están de luto (English: "The crows are in mourning") is a 1965 Mexican comedy film directed by Francisco del Villar and starring Silvia Pinal and Lilia Prado.  The film is based on the play of the same name by Mexican author Hugo Arguelles.

Hami Tin Bhai: Hami Tin Bhai (also Haami Teen Bhai) (Nepali: हामी तीन भाई , English: We Three Brothers ) is a Nepali action, comedy film directed by Shiva Regmi.  The film features Rajesh Hamal, Shree Krishna Shrestha and Nikhil Upreti in the lead roles.  The movie was critically and commercially successful, with many critics highlighting its comedy and the actors' performance.  It is one of the highest grossing films in Nepali film history.  It is considered a classic movie by fans.

My Three Merry Widows: My Three Merry Widows (in Spanish Mis tres viudas alegres) is a Mexican comedy film directed by Fernando Cortés.  It was filmed in 1953 and starring Amalia Aguilar, Lilia del Valle and Silvia Pinal.

Road Movie trilogy: The Road Movie trilogy is a series of three road movies directed by German film director Wim Wenders in the mid-1970s.  They include "Alice in the Cities" (1974), "The Wrong Move" (1975), and "Kings of the Road" (1976).  All three films were shot by cinematographer Robby Müller and mostly take place in West Germany.  The centerpiece of the trilogy, "The Wrong Move", was shot in colour whereas "Alice in the Cities" was in black and white 16 mm, and "Kings of the Road" was in black and white 35 mm film.

Here's the Point: Here's the Point (Spanish:Ahí está el detalle) is a 1940 Mexican comedy film starring Cantinflas.  It was produced by Jesús Grovas and directed by Juan Bustillo Oro, and also features Joaquín Pardavé, Sara García, Sofía Álvarez, and Dolores Camarillo.  It was the twelfth film in Cantinflas's career, considered one of his best by Mexican film critics, as well as one of Mexico's best films.

Las tres viudas de papá: Las tres viudas de papá ("The Three Widows of Father") is a 1942 Mexican comedy film directed by Miguel Zacarías.

The Viscount of Monte Cristo: The Viscount of Monte Cristo (Spanish:El Vizconde de Montecristo) is a 1954 Mexican comedy film directed by Gilberto Martínez Solares and starring Germán Valdés, Ana Bertha Lepe and Andrés Soler.  The film draws some of its plot from Alexandre Dumas's "The Count of Monte Cristo" with the setting moved to contemporary Mexico.  Valdés' films of the era were often distorted, comic versions of classic literature.

Silvia Pinal: Silvia Pinal Hidalgo (born 12 September 1931) is a Mexican actress, producer and politician.  She is one of the most recognized and versatile Mexican actresses worldwide.  She is internationally known for having starred in a famous movie trilogy with the famed film director Luis Buñuel, highlighting the classic film "Viridiana" (1961).

Calzonzin Inspector: Calzonzin Inspector is a 1974 Mexican comedy film and live action comic adaptation directed and starred by Alfonso Arau.  It was selected as the Mexican entry for the Best Foreign Language Film at the 47th Academy Awards, but was not accepted as a nominee.

Supporting paragraphs: My Three Merry Widows Silvia Pinal
Answer: Luis Buñuel