question: Which country Eugen D'Albert's wife is from?
context: [["Anton Sistermans", ["Anton Sistermans (5 August 186518 March 1926) was a Dutch baritone during the late 19th-early 20th century.", "He is particularly notable for interpretations of lieder and oratorios.", "During his career, Sistermans premiered important compositions by Johannes Brahms and Gustav Mahler, and also had lieder dedicated to him by Hans Pfitzner, Eugen d'Albert and Alexander von Zemlinsky.", "In his later years, Sistermans served as a teacher at the Royal Conservatory of The Hague and conductor of a church choir in Rotterdam."]], ["Eugen d'Albert", ["Eugen (originally Eug\u00e8ne)", "Francois Charles d'Albert (10 April 18643 March 1932) was a Scottish-born German pianist and composer.", "Educated in Britain, d'Albert showed early musical talent and, at the age of seventeen, he won a scholarship to study in Austria.", "Feeling a kinship with German culture and music, he soon emigrated to Germany, where he studied with Franz Liszt and began a career as a concert pianist.", "D'Albert repudiated his early training and upbringing in Scotland and considered himself German.", "While pursuing his career as a pianist, d'Albert focused increasingly on composing, producing 21 operas and a considerable output of piano, vocal, chamber and orchestral works.", "His most successful opera was \"Tiefland\", which premiered in Prague in 1903.", "His successful orchestral works included his cello concerto (1899), a symphony, two string quartets and two piano concertos.", "In 1907, d'Albert became the director of the Hochschule f\u00fcr Musik in Berlin, where he exerted a wide influence on musical education in Germany.", "He also held the post of Kapellmeister to the Court of Weimar.", "D'Albert was married six times, including to the pianist-singer Teresa Carre\u00f1o, and was successively a British, German and Swiss citizen."]], ["Ali Rahuma", ["Ali Khalifa Rahuma( born May 16, 1982) is a Libyan football midfielder who's nationality is Libyan.", "He currently plays for Al- Ittihad, and is a member of the Libya national football team."]], ["Baglan Mailybayev", ["Baglan Mailybayev( in Kazakh \u0411\u0430\u0493\u043b\u0430\u043d \u0410\u0441\u0430\u0443\u0431\u0430\u0439\u04b1\u043b\u044b \u041c\u0430\u0439\u043b\u044b\u0431\u0430\u0435\u0432) was born on 20 May 1975 in Zhambyl region, Kazakhstan.", "His nationality is Kazakh.", "He is a politician of the Republic of Kazakhstan, Deputy Head of the Presidential Administration of the Republic of Kazakhstan, Doctor of Law( 2002)( under the supervision of Professor Zimanov S.Z.- scientific advisor and academician of National Academy of Sciences of the Republic of Kazakhstan) and Ph.D. in Political Science( 1998)."]], ["Eleni Gabre-Madhin", ["Eleni Zaude Gabre- Madhin, an Ethiopian economist with Swiss nationality, is a former Chief Executive Officer of the Ethiopia Commodity Exchange( ECX).", "She has had many years of experience working on agricultural markets \u2013 particularly in Sub- Saharan Africa \u2013 and has held senior positions in the World Bank, the International Food Policy Research Institute( Washington), and United Nations( Geneva)."]], ["Teresa Carre\u00f1o", ["Mar\u00eda Teresa Gertrudis de Jes\u00fas Carre\u00f1o Garc\u00eda (December 22, 1853June 12, 1917) was a Venezuelan pianist, soprano, composer, and conductor.", "Over the course of her 54-year concert career, she became an internationally renowned virtuoso pianist and was often referred to as the \"Valkyrie of the Piano.", "\" Carre\u00f1o was an early adopter of the works of one of her students and friend, American composer and pianist Edward MacDowell (1860\u20131908) and premiered several of his compositions across the globe.", "She also frequently performed the works of Norwegian composer and pianist Edvard Grieg (1843\u20131907).", "Carre\u00f1o composed approximately 75 works for solo piano, voice and piano, choir and orchestra, and instrumental ensemble.", "Several composers dedicated their compositions to Carre\u00f1o, including Amy Beach  and Edward MacDowell", "(Piano Concerto No. 2)."]], ["Gustav Kastropp", ["Gustav Kastropp( 30 August 1844 \u2013 11 September 1925) was a German poet, librettist and musician.", "Kastropp's texts were used by composers such as Georg Schumann, Eugen d' Albert and Bernhard Stavenhagen."]], ["Gertrude F\u00f6rstel", ["Gertrude F\u00f6rstel( 21 December 1880 \u2013 7 June 1950) was a German operatic soprano and an academic voice teacher.", "She performed the soprano solo in Mahler's Fourth Symphony internationally, and participated in the premieres of Eugen d' Albert's\" Tiefland\" and Mahler's Eighth Symphony."]], ["Alexandru Bratan", ["Alexandru Bratan( born 23 August 1977) is a male weightlifter from Moldova.", "He twice competed for his native Eastern European country at the Summer Olympics: 2000 and 2004.", "He is best known for winning the silver medal in the men's heavyweight division( \u2013 105 kg) at the 2005 World Weightlifting Championships.", "His brother is Eugen Bratan.", "In 2006 the International Weightlifting Federation( IWF) banned Alexandru Bratan for life, for the second doping violation."]], ["Walter Rehberg", ["Walter Rehberg( 14 May 1900 in Geneva \u2013 24 October 1957) was a Swiss concert pianist, composer and writer on musical subjects who was particularly active from the 1920s to 1950s.", "Walter Rehberg came from a line of notable pianists.", "His grandfather was Friedrich Rehberg, a distinguished pianist, and his father Willy Rehberg( 1863 \u2013 1937).", "Walter studied under his father at Hoch Conservatory, Frankfurt, and at the University School of Music at Mannheim.", "He later received tuition from Eugen d'Albert.", "By 1924 he had composed piano sonatas, a violin sonata and other piano pieces.", "During the 1920s and 1930s he made recordings for Polydor/ Brunswick records and in the 1940s he recorded for Decca."]]]
supporting_facts: [["Eugen d'Albert", 10], ["Teresa Carre\u00f1o", 0]]
evidences: [["Eugen (originally Eug\u00e8ne) Francois Charles d'Albert", "spouse", "Teresa Carre\u00f1o"], ["Teresa Carre\u00f1o", "country of citizenship", "Venezuelan"]]
answer: Venezuelan