Question: Victoria Ocampo has a sister who is married to a writer of what nationality?

Context paragraphs:
Adolfo Bioy Casares: Adolfo Bioy Casares (] ; September 15, 1914 – March 8, 1999) was an Argentine fiction writer, journalist, and translator.  He was a friend and frequent collaborator with his fellow countryman Jorge Luis Borges, and is the author of the fantastic fiction novel "The Invention of Morel".

Hizon-Singian House: The Hizon-Singian House is a heritage house located in the City of San Fernando, Pampanga.  Built in 1870 by the couple Don Anacleto Hizon, gobernadorcillo of San Fernando from 1877-1879 and 1886-1887, and Victoria Singian de Miranda y de Ocampo.  Inherited by their daughter Victoria Hizon y Singian who was married to Godofredo Rodriguez y Yabut from Bacolor.  It was occupied during the 1896 revolution by Spanish General Antonio Ruiz Serralde, appropriated by the Japanese Imperial Army to serve as a military hospital and barracks from 1943 to 1944, and served as headquarters of American General Walter Krueger of the 6th American Army during the liberation period until the end of 1945.  Inherited by their son, the late Gerry Catalino Rodriguez Y Hizon, former president of the Pampanga Sugar Development Company (PASUDECO), who was married to Aurora Angeles.  This bahay na bato of the Spanish colonial period was declared a Heritage House by the National Historical Institute on 27 January 2003 by virtue of Resolution No. 4, S. 2003.

Victoria Ocampo: Victoria Ocampo {'1': ", '2': ", '3': ", '4': "} (7 April 189027 January 1979) was an Argentine writer and intellectual, described by Jorge Luis Borges as "La mujer más argentina" ("The quintessential Argentine woman").  Best known as an advocate for others and as publisher of the legendary literary magazine "Sur", she was also a writer and critic in her own right and one of the most prominent South American women of her time.  Her sister, Silvina Ocampo, also a writer, was married to Adolfo Bioy Casares.

Aguinaldo's Breakfast: "Aguinaldo's Breakfast and More Looking Back Essays" is a book by Filipino writer Ambeth Ocampo.  It contains his "Philippine Daily Globe" columns which were not published in his earlier books.  It also includes longer pieces that were published in the "Weekend Magazine", the Sunday supplement of the now-defunct "Philippines Daily Press", and pieces from the "Sunday Inquirer Magazine".  Written between 1986 and 1989, his essays are collected under four headings: Life in the Spanish Philippines; Food and Other Pleasures, I am Like a Camera: Profiles; and Words, Image and Music.  Among the interviews and profiles are those about Teodoro Agoncillo, Dely Atay-atayan, Guillermo Tolentino, Jose Maria Sison, Galo Ocampo and others.

María Esther Vázquez: María Esther Vázquez (4 August 1937 – 25 March 2017) was an Argentine writer and journalist, best known as a collaborator and biographer of Jorge Luis Borges and Victoria Ocampo.

Rosy Ocampo: Rosy Ocampo (born Rosa María Ocampo García on November 11, 1959 in México City, D.F., México) is a Mexican television executive and producer.  She is currently the VP of Content for Televisa, where she’s undertaking the task of creating and executing strategies to help further develop and produce content for all the network’s free and pay-TV channels, targeting both Televisa and its sister network Univision.

Sylvia Sanchez: Jossette Ocampo (born May 19, 1971), better known as Sylvia Sanchez is a Filipina actress.  She is married to Arturo Atayde and the mother of actors Arjo Atayde and actress Ria Atayde.

Kalmyk deportations of 1943: The Kalmyk deportations of 1943, codename Operation Ulussy (Операция «Улусы»), was the deportation in December 1943 of most people of the Kalmyk nationality in the Soviet Union (USSR), as well as Russian women married to Kalmyks; Kalmyk women married to another nationality were exempted.

Villa Ocampo: Villa Ocampo is the former house of Victoria Ocampo (1890 – 1979), one of Argentina's greatest cultural figures, founder and director of "Sur" magazine.  The house is located in San Isidro, in the province of Buenos Aires, approximately 30 km north of the city of Buenos Aires.

Hizon-Ocampo House: The Hizon-Ocampo House is a heritage house in the City of San Fernando, Pampanga.  The first residence of Anacleto Hizon and Victoria Singian de Miranda, it has inherited by their daughter Leoncia Hizon who was married to Basilio Ocampo, gobernadorcillo of San Fernando.  Among their children was renowned architect Fernando H. Ocampo.

Supporting paragraphs: Victoria Ocampo Adolfo Bioy Casares
Answer: Argentine