question: Who is the spouse of the director of film The Girl Without A Homeland?
context: [["The Girl Without an Address", ["The Girl Without an Address) is a 1957 Soviet romantic comedy film directed by Eldar Ryazanov, and written by Leonid Lench.", "It stars Svetlana Karpinskaya and Nikolai Rybnikov."]], ["The Girl Without Pyjamas", ["The Girl Without Pyjamas is a 1957 West German comedy film directed by Hans Quest and starring Ingeborg Christiansen, Bert Fortell and Elma Karlowa."]], ["Maria Teresa, Grand Duchess of Luxembourg", ["Maria Teresa, Grand Duchess of Luxembourg( born Mar\u00eda Teresa Mestre y Batista; on 22 March 1956), is the spouse of Grand Duke Henri."]], ["Sophia Magdalena of Denmark", ["Sophia Magdalena of Denmark (3 July 1746 \u2013 21 August 1813) was Queen of Sweden as the spouse of King Gustav III."]], ["Marie-Louise Coidavid", ["Marie Louise Coidavid( 1778 \u2013 March 11, 1851), was the Queen of the Kingdom of Haiti 1811 \u2013 20 as the spouse of Henri I of Haiti."]], ["Constantin J. David", ["Constantin J. David (18 February 1886 \u2013 19 February 1964) was a German journalist, film director, film producer, and actor.", "He is also known for his marriage to the Hungarian actress, singer, and model K\u00e4the von Nagy."]], ["The Girl Without a Homeland", ["The Girl Without a Homeland  is a 1927 Austrian-German silent drama film directed by Constantin J. David and starring Jenny Hasselqvist, Henry Stuart and Oskar Homolka.", "The film's sets were designed by the art director Karl G\u00f6rge."]], ["Gertrude of Bavaria", ["Gertrude of Saxony and Bavaria( 1152/55\u20131197) was Duchess of Swabia as the spouse of Duke Frederick IV, and Queen of Denmark as the spouse of King Canute VI."]], ["Mehdi Abrishamchi", ["Mehdi Abrishamchi is an Iranian People's Mujahedin of Iran( MEK) politician who has been described as\" the right hand man of Massoud Rajavi\".", "He is the former spouse of the group's current leader, Maryam Rajavi, whom he divorced so that she could become the spouse of Massoud Rajavi."]], ["The Girl Without a Conscience", ["The Girl Without a Conscience( German: Das M\u00e4dchen ohne Gewissen) is a 1922 German silent film directed by William Kahn and starring Maria Zelenka.", "The film's art direction was by August Rinaldi."]]]
supporting_facts: [["The Girl Without a Homeland", 0], ["Constantin J. David", 1]]
evidences: [["The Girl Without a Homeland", "director", "Constantin J. David"], ["Constantin J. David", "spouse", "K\u00e4the von Nagy"]]
answer: Käthe von Nagy