question: What is the place of birth of Siri Aurdal's father?
context: [["Leon Aurdal", ["Leon Aurdal (23 January 1890 \u2013 25 January 1949) was a Norwegian painter.", "He was born in Bergen to Bastian Aurdal and Severine Grebstad.", "He was married twice, first to Kristmar Aurdal, and from 1944 to textile artist Synn\u00f8ve Anker Aurdal.", "His works include \"Sittende ung dame\" from 1925, \"Semsvatnet\" from 1938, and \"P\u00e5 lokalb\u00e5ten\" from 1945, all at the National Gallery of Norway.", "He is also represented in galleries in Bergen, Trondheim, Stavanger, Fredrikstad and Drammen."]], ["Siri Aurdal", ["Siri Aurdal (born 20 October 1937 in Oslo) is a Norwegian painter, graphic designer, and sculptor.", "She comes from an artistic family with parents textile artist Synn\u00f8ve Anker Aurdal and painter Leon Aurdal.", "Ludvig Eikaas was her stepfather from 1959.", "Although Aurdal is both a graphic designer and painter, her main field was sculpture and work with sculpture.", "She made her debut at the H\u00f8stutstillingen 1961 with a bust of Egil Eggen in brass.", "After that, she made a number of other busts of famous people, including Earle Hyman (1963) and Svend von D\u00fcring and Ludvig Eikaas (1965).", "In February 1969, she won an competition to decorate schools in Oslo, and in October 1972 presented the sculpture \"Havb\u00f8lger\" at Trosterud skole.", "It was 12 \u00d7 6 m glass fibre tubes cut in wavy shapes which serves as a play sculpture for 100 children.", "In 1979, she made a large relief in aluminium for Abelhaugen train station in Oslo."]], ["Cleomenes II", ["Cleomenes II( died 309 BC) was Agiad King of Sparta from 369 to 309 BC.", "The son of Cleombrotus I, he succeeded his brother Agesipolis II.", "He was the father of Acrotatus I, the father of Areus I, and of Cleonymus, the father of Leonidas II."]], ["Anacyndaraxes", ["Anacyndaraxes was the father of Sardanapalus, king of Assyria."]], ["John Templeton (botanist)", ["John Templeton( 1766\u20131825) was an early Irish naturalist and botanist.", "He is often referred to as the\" Father of Irish Botany\".", "He was the father of naturalist, artist and entomologist Robert Templeton."]], ["Inoue Masaru (bureaucrat)", ["Viscount was the first Director of Railways in Japan and is known as the\" father of the Japanese railways\"."]], ["Arthur Beauchamp", ["Arthur Beauchamp( 1827 \u2013 28 April 1910) was a Member of Parliament from New Zealand.", "He is remembered as the father of Harold Beauchamp, who rose to fame as chairman of the Bank of New Zealand and was the father of writer Katherine Mansfield."]], ["Obata Toramori", ["He was the father of Obata Masamori."]], ["Aleksander Aurdal", ["Aleksander Aurdal( born 25 March 1988) is a Norwegian freestyle skier.", "He was born in Bod\u00f8.", "He competed at the 2014 Winter Olympics in Sochi, where he placed seventh in slopestyle."]], ["Adam Cheyer", ["Adam Cheyer is a co-founder of Siri Inc. and formerly a director of engineering in the iPhone group at Apple."]]]
supporting_facts: [["Siri Aurdal", 1], ["Leon Aurdal", 1]]
evidences: [["Siri Aurdal", "father", "Leon Aurdal"], ["Leon Aurdal", "place of birth", "Bergen"]]
answer: Bergen