question: Who is the child of the director of film Kathputli (1971 Film)?
context: [["Peter Levin", ["Peter Levin is an American director of film, television and theatre."]], ["John Farrell (businessman)", ["John Farrell is the director of YouTube in Latin America."]], ["Ian Barry (director)", ["Ian Barry is an Australian director of film and TV."]], ["Laurent Le Bon", ["Laurent Le Bon( born 2 April 1969) is a French art historian who is the director of the Mus\u00e9e Picasso."]], ["Marcel Brands", ["Marcel Brands( born 1962) is a Dutch former professional footballer who is the Director of Football at English club Everton."]], ["Michael Govan", ["Michael Govan( born 1963) is the director of the Los Angeles County Museum of Art since 2006.", "Prior to this, Govan worked as the director of the Dia Art Foundation in New York City."]], ["Kathputli (1971 film)", ["Kathputli  is a 1971 Hindi-language romance film, produced and directed by Brij under the Dynamo International banner.", "It stars Jeetendra, Mumtaz in the lead roles and music composed by Kalyanji Anandji."]], ["Dana Blankstein", ["Dana Blankstein- Cohen( born March 3, 1981) is the director of the Israeli Academy of Film and Television.", "She is a film director, and an Israeli culture entrepreneur."]], ["Eric Chan", ["Eric Chan Kwok- ki, SBS, IDSM( born 1959) is a Hong Kong civil servant who is the Director of the Chief Executive's Office.", "Previously, Chan was the Director of Immigration( 2011\u20132016)."]], ["Brij Sadanah", ["Brijmohan Sadanah (6 October 1933 - 21 October 1990), born in Gujranwala, Punjab, British India, sometimes credited as Brij Mohan or simply Brij, was a veteran Hindi film producer and director.", "He is very well known for some of the most memorable box office hit films from the 1960s, 1970s, and 1980s such as \" Do BhaiYeh Raat Phir Na AayegiUstadon Ke UstadNight in London\", Victoria No. 203, Chori Mera Kaam, Ek Se Badhkar Ek, Yakeen and Professor Pyarelal.", "His last successful film was Mardon Wali Baat.", "He consistently chose to have Kalyanji Anandji as the music directors of his films.", "He was married to Hindi film actress, Sayeeda Khan.", "They had two children, daughter (late) Namrata and son Kamal.", "In the early 1980s he suffered major setback when some of his well shot films turned out to be major flops at box office like Oonche Log, Bombay 405 Miles, Magroor.", "The jinx of flops ended with success of Taqdeer and Mardon Wali Baat.", "Brij died on 21 October 1990 in Mumbai.", "He shot himself dead at his residence after killing his wife and daughter, Namrata in an inebriated state.", "Incidentally, the day was also his son Kamal Sadanah's birthday.", "His son Kamal Sadanah is also a Hindi film actor, producer & director"]]]
supporting_facts: [["Kathputli (1971 film)", 0], ["Brij Sadanah", 10]]
evidences: [["Kathputli", "director", "Brij"], ["Brij", "child", "Kamal Sadanah"]]
answer: Kamal Sadanah