Question: Who is the child of the director of Mera Naam Joker?

full_context: Document 1: Kal Aaj Aur Kal: Kal Aaj Aur Kal () is a 1971 Hindi film produced by Raj Kapoor and directed by his son Randhir Kapoor. The film's USP is the appearance of three generations of the famous Kapoor family starring Prithviraj Kapoor, his son Raj Kapoor, Raj Kapoor's son Randhir Kapoor (in his acting debut) and Randhir's real-life wife-to-be Babita. Among the non Kapoors in the film are Iftekhar.
Document 2: R... Rajkumar: Romeo Rajkumar (Shahid Kapoor) is an aimless youth who arrives in Dhartipur, a small town ruled by two drug barons named Shivraj Gurjar (Sonu Sood) and his arch enemy Manik Parmar (Ashish Vidyarthi), controlled by a Mafia don named Ajit Taaka (Srihari), who operates in Hong Kong. Rajkumar begins working for Shivraj. But his life changes forever when he claps eyes on the beautiful, educated Chanda (Sonakshi Sinha). Unknown to him, Chanda is an orphan who is being raised by her uncle Manik Parmar.
Document 3: Naam Shabana: Naam Shabana (English: The name is Shabana) is a 2017 Indian action spy - thriller film directed by Shivam Nair and produced by Neeraj Pandey and Aruna Bhatia. It is a spin - off sequel to the 2015 film Baby with Taapsee Pannu reprising her role as Shabana. Other cast includes Akshay Kumar, Manoj Bajpayee, Anupam Kher and Prithviraj Sukumaran play important supporting roles in the film. The film is dubbed into Telugu and Tamil languages and was released on 31 March 2017. One day after its release in Pakistan the film was banned in the country for being an Indian perspective.
Document 4: 5 Rifles: 5 Rifles is a 1974 Hindi film produced and directed by I. S. Johar. The film stars Rajesh Khanna's look-alike Rakesh Khanna, Shashi Kapoor's look-alike Shahi Kapoor, and I. S. Johar. Music was given by Kalyanji Anandji. One particular qawwali of note in this film is the track "Jhoom Barabar Jhoom Sharabi", sung by the notable qawwal singer of his times, Janab Aziz Nazan. Another song "Jab se Sarkar ne Nashabandi Tod Di", sung by Kishore Kumar is also a hit semi-qawwali.
Document 5: Aag (1948 film): Aag () is a 1948 Bollywood film which is produced, directed by and stars Raj Kapoor. The film marked the debut of him as producer and director and was the first film produced by his R.K. banner. Nargis, Premnath, Nigar Sultana and Kamini Kaushal also starred in supporting roles. Raj Kapoor's youngest brother Shashi Kapoor appeared as a child artist in this film playing the younger version of his character (Kewal). This was the first film in which Raj Kapoor and Nargis appeared together.
Document 6: Dharam Karam: Dharam Karam is a 1975 Hindi film produced by Raj Kapoor and directed by Randhir Kapoor, who also star as father and son in the film, respectively. The film also stars Rekha, Premnath and Dara Singh. The music is by R.D. Burman and the lyrics by Majrooh Sultanpuri, who received a Filmfare nomination as Best Lyricist for the hit song "Ek Din Bik Jayega." The song is played several times during the film, with playback singing by Mukesh, Kishore Kumar, and Sushma Shrestha. Of the three of them, only Mukesh received a Filmfare nomination as Best Male Playback Singer for the song. According to one source, the film performed "Above average" at the box office.
Document 7: Pyar Ka Mausam: Pyar Ka Mausam "(English: Season of love)" is a 1969 Indian bollywood movie under Nasir Hussain films banner. Hussain wrote, produced, and directed the film. It starred Shashi Kapoor, and the Nasir Husain fixture- Asha Parekh. It also had Bharat Bhushan, Nirupa Roy, Madan Puri, Tahir Hussain and another Nasir Husain fixture Rajendranath. Nasir's nephew Aamir Khan who was 3 years old at the time plays Shashi Kapoor's character as a child. Two more Husain fixtures were responsible for the memorable songs: lyricist Majrooh Sultanpuri and music composer R.D. Burman. The musical instrument duggi was played by Homi Mullan for the song Ni sultana re. R.D.Burman also had an acting role in the film. The film became a Silver Jubilee Hit.
Document 8: Kabhi Khushi Kabhie Gham...: Kabhi Khushi Kabhie Gham... (English: "Sometimes there's Happiness, Sometimes there's Sorrow"), also known as K3G, is a 2001 Indian family drama film written and directed by Karan Johar and produced by Yash Johar. The film stars Amitabh Bachchan, Jaya Bachchan, Shah Rukh Khan, Kajol, Hrithik Roshan and Kareena Kapoor in leading roles, with Rani Mukerji appearing in an extended special appearance. The music was composed by Jatin Lalit, Sandesh Shandilya and Aadesh Shrivastava, with lyrics penned by Sameer and Anil Pandey. The background score was composed by Babloo Chakravarty. The film tells the story of an Indian family, which faces troubles and misunderstandings over their adopted son's marriage to a girl belonging to a lower socio-economic group than them.
Document 9: Mera Naam Joker: Mera Naam Joker ( "My Name is Joker") is a 1970 Indian drama film, directed and produced by Raj Kapoor, and written by Khwaja Ahmad Abbas. The film stars Kapoor as the eponymous character, with Simi Garewal, Kseniya Ryabinkina and Padmini in supporting roles, and was also the debut of Kapoor's son Rishi Kapoor. The plot focuses on a clown who must make his audience laugh at the cost of his own sorrows. Three women who shaped his life view his final performance.
Document 10: Gulshan Kumar Mehta: Gulshan Kumar Mehta, popularly known by his pen name Gulshan Bawra (literally: "Gulshan The Mad") (12 April 1937 – 7 August 2009), was an Indian songwriter and actor in Hindi cinema. In a career spanning 42 years, he has to his credit about 240 songs, he collaborated with noted music directors like Kalyanji Anandji, Shankar Jaikishan, and R. D. Burman. He composed almost half of the songs in films like "Khel Khel Mein" (1975), "Kasme Vaade" (1976) and "Satte Pe Satta" (1982). Apart from R. D. Burman hits, he is most remembered for his songs like 'Mere Desh Ki Dharti" in "Upkaar" (1968) and "Yaari Hai Imaan Mera" in "Zanjeer" (1974), both of which got him the Filmfare Best Lyricist Award. The latter also topped the Binaca Geetmala annual list of 1973. As a character actor, he also appeared in a small number of Hindi films.
Document 11: Son of India (1962 film): Son of India is a Bollywood film of 1962. The film was written and directed by the leading Director of those days- Mehboob Khan. The film had the leading cast including Kamaljit, Simi Garewal, Sajid Khan, Jayant and Kumkum. The music of this film is by Naushad and the lyrics by Shakeel Badayuni. The movie is still remembered for its melodious music even after such a long span of time. One of the patriotic songs especially for the children- "Nanha Munna Rahi Hoon Desh Ka Sipahi Hoon" became quite popular. The film was a box office bomb.
Document 12: Kamaal Khan: Kamaal Khan has won the ``R.D. Burman ''Filmfare Award for the`` Most Promising Upcoming Talent'' becoming the first UK born male winner of the coveted Filmfare Award since its introduction in 1954. He is also a winner / nominee of numerous awards such as MTV, Filmfare, ZEE and Channel (V) for both singing and acting. He went on to achieve further success with his solo albums O Oh Jaane Jana, Suno To Deewana Dil and ``Kal Raat ''. MTV Award - winning director Shivraj Santhakumar collaborated with Kamaal to shoot a music video for Kal Raat in Rome. The music video caught the eye of Bollywood director Rahul Rawail and landed Kamaal his debut acting role.
Document 13: Mughal-e-Azam: Prithviraj Kapoor as Emperor Akbar Dilip Kumar as Salim Madhubala as Nadira (Anarkali) Durga Khote as Jodhabai, Salim's mother Nigar Sultana as Bahar, a court dancer Ajit as Durjan Singh Murad as Raja Man Singh M. Kumar as Sangtarash, the royal sculptor Sheila Dalaya as Suraiyya, Anarkali's sister Jillo Bai as Anarkali's mother
Document 14: Iss Pyaar Ko Kya Naam Doon 3: Iss Pyaar Ko Kya Naam Doon 3 Genre Romance Mystery Drama Created by Gul Khan Creative director (s) Gorky M Starring Barun Sobti Shivani Tomar Opening theme ``Rabba Ve ''by Amit Mishra Country of origin India Original language (s) Hindi No. of episodes 60 as of 25 September 2017 Production Producer (s) Gul Khan Camera setup Multi-camera Running time 20 minutes Production company (s) 4 Lions Films Release Original network Star Plus Picture format 720i (SDTV) 1080i (HDTV) Original release 3 July 2017 (2017 - 07 - 03) -- 6 October
Document 15: Maha Chor: Maha Chor is a 1976 Bollywood action film comedy film directed by Narendra Bedi, starring Rajesh Khanna in the lead role, paired opposite Neetu Singh for the very first time. The film had music by R.D. Burman and the lyricist whom Rajesh Khanna preferred for his films; Anand Bakshi. The film grossed 1.90 crores in 1976 and it became a box office hit.
ground_truth: Randhir Kapoor
sub_queries: Who directed Mera Naam Joker? Answer: Raj Kapoor
Raj Kapoor >> child Answer: Randhir Kapoor