question: Who is the spouse of the director of film Bratuku Teruvu?
context: [["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."]], ["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."]], ["Princess Auguste of Bavaria (1875\u20131964)", ["Princess Auguste of Bavaria( 28 April 1877 \u2013 25 June 1964) was a member of the Bavarian Royal House of Wittelsbach and the spouse of Archduke Joseph August of Austria."]], ["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."]], ["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."]], ["P. S. Ramakrishna Rao", ["P. S. Ramakrishna Rao (b: 12 October 1918 - d: 7 September 1986) was a veteran Telugu film director and producer.", "He married Bhanumathi Ramakrishna, a multi-talented film artist from South India, on 8 August 1943.", "Raavu Balasaraswathi is his sister."]], ["Bratuku Teruvu", ["Bratuku Teruvu (English: Livelihood) is a 1953 Telugu drama film, produced by Kovelamudi Bhaskar Rao under the Bhaskar Productions banner and directed by P. S. Ramakrishna Rao.", "It stars Akkineni Nageswara Rao, Savitri in the lead roles and music composed by Ghantasala.", "The film was also released dubbed in Tamil as \"Bale Raman\" (1956)", "and it was remade as the Hindi movie \"Jeene Ki Raah\" (1969), which was again remade as the Telugu movie \"Bharya Biddalu\" (1971), with ANR only, and later in Tamil as \"Naan Yen Pirandhen\" (1972).", "The film is the debut of famous lyricist \"Samadrala Jr.\" in the film industry."]], ["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."]], ["Adib Kheir", ["Adib Kheir was a leading Syrian nationalist of the 1920s.", "He was the owner of the Librairie Universelle in Damascus.", "His granddaughter is the spouse of Manaf Tlass."]], ["Heather D. Gibson", ["Heather Denise Gibson is a Scottish economist currently serving as Director- Advisor to the Bank of Greece( since 2011).", "She is the spouse of Euclid Tsakalotos, former Greek Minister of Finance."]]]
supporting_facts: [["Bratuku Teruvu", 0], ["P. S. Ramakrishna Rao", 1]]
evidences: [["Bratuku Teruvu", "director", "P. S. Ramakrishna Rao"], ["P. S. Ramakrishna Rao", "spouse", "Bhanumathi Ramakrishna"]]
answer: Bhanumathi Ramakrishna