Question: Who wrote more novels, Sandra Dallas or Juan Rulfo?
Context: Juan Nepomuceno Carlos Pérez Rulfo Vizcaíno, best known as Juan Rulfo (]    ; 16 May 1917 – 7 January 1986), was a Mexican writer, screenwriter and photographer.  He is best known for two literary works, "El Llano en llamas" (1953), a collection of short stories, and the 1955 novel "Pedro Páramo".  Fifteen of the seventeen short stories in "El Llano en llamas" have been translated into English and published as "The Burning Plain and Other Stories".  This collection includes the popular tale "¡Diles que no me maten!"  ("Tell Them Not to Kill Me!") . Alberto Ruy-Sánchez Lacy is a Mexican writer and editor born in Mexico City on 7 December 1951.  He is an author of fiction, non-fiction and poetry.  Since 1988 he has been the chief editor and founding publisher of Latin America's leading arts magazine, "Artes de Mexico".  He has been a visiting professor at several universities including Stanford, Middlebury and La Sorbonne, and has been invited to give lectures in Europe, Africa, Asia, North America and South America.  His work has been praised by Octavio Paz, Juan Rulfo, Severo Sarduy, Alberto Manguel and Claude Michel Cluny and has received awards from several international institutions. Sandra Dallas is an award-winning American author of 13 adult novels, 2 children's novels, and 7 non-fiction books.  Previously, she was an ex-reporter and bureau chief for "BusinessWeek" magazine for the Denver region. René Vázquez Díaz is a Cuban-Swedish writer and translator, winner of the Radio France Internationale's Juan Rulfo Award 2007 for his novel Welcome to Miami Doctor Leal(Latin American Literary Review Press, Pittsburgh 2009).  One of his most notable novels is The Island of Cundeamor.  His latest published book is the autobiographical novel Ciudades junto al mar (Alianza Editorial, Madrid, 2011). Augusto Monterroso Bonilla (December 21, 1921 - February 7, 2003) was a Honduran writer who adopted Guatemalan nationality, known for the ironical and humorous style of his short stories.  He is considered an important figure in the Latin American "Boom" generation, and received several awards, including the Prince of Asturias Award in Literature (2000), Miguel Ángel Asturias National Prize in Literature (1997), and Juan Rulfo Award (1996). Pedro Páramo is a novel written by Juan Rulfo about a man named Juan Preciado who travels to his recently deceased mother's hometown, Comala, to find his father, only to come across a literal ghost town─populated, that is, by spectral figures.  Initially, the novel met with cold critical reception and sold only two thousand copies during the first four years; later, however, the book became highly acclaimed.  "Páramo" was a key influence of Latin American writers such as Gabriel García Márquez.  "Pedro Páramo" has been translated into more than 30 different languages and the English version has sold more than a million copies in the United States. Cintio Vitier (September 25, 1921 – October 1, 2009) was a Cuban poet, essayist, and novelist.  Upon winning the Juan Rulfo Prize, the award jury called him "one of the most important writers of his generation". During his long career he interviewed a number of high-profile personalities, including John and Robert Kennedy, Pandit Nehru, Golda Meir, Yitzhak Rabin, Fidel Castro, Anwar el-Sadat, Ernesto Guevara, Moshe Dayan, Henry Kissinger, Indira Gandhi, Menachem Begin, Federico Fellini, Vittorio Gassman, Jorge Luis Borges, Juan Rulfo, Jorge Amado, Luis Federico Leloir, Bernardo Houssay, Wernher von Braun, Pelé, Cassius Clay and Juan Manuel Fangio. Juan Carlos Rulfo Aparicio (born January 24, 1964 in Mexico City) is a Mexican screenwriter and director and the son of author Juan Rulfo.  He has written, produced, and photographed several films.  He is married to Valentina Leduc Navarro, a Mexican director. The FIL Literary Award in Romance Languages (previously Juan Rulfo Prize for Latin American and Caribbean Literature),
Answer: Sandra Dallas