Question: Yash Johar founded an Indian production and distribution company that was taken over in 2004 by who?

Context paragraphs:
Dostana (2008 film): Dostana ("Friendship") is a 2008 Indian romantic comedy film directed by Tarun Mansukhani and produced by Karan Johar and Hiroo Yash Johar.  The film stars Abhishek Bachchan, John Abraham and Priyanka Chopra, with Bobby Deol, Kirron Kher, Sushmita Mukherjee and Boman Irani in supporting roles.  "Dostana" tells the story of two men who pretend to be gay to share an apartment with a girl; eventually, both fall in love with her.

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 cameo 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.

Ek Main Aur Ekk Tu: Ek Main Aur Ekk Tu (English: "One me, and one you") is a 2012 Indian romantic comedy film written and directed by Shakun Batra in his directorial debut.  It was produced by Karan Johar and Hiroo Yash Johar under the banner of Dharma Productions, alongside Ronnie Screwvala of UTV Motion Pictures.  The film features Imran Khan and Kareena Kapoor in lead roles, with Ratna Pathak Shah, Boman Irani and Ram Kapoor in supporting roles.  The plot centers on an uptight architect named Rahul Kapoor, living in Las Vegas, Nevada, who loses his job and, following a night of debauchery, accidentally marries a free-spirited hairstylist named Riana Braganza.  After mutually deciding to annul the marriage, Rahul begins a one-sided attraction for Riana, which threatens to ruin their new friendship.

Agneepath (2012 film): Agneepath (English: "The Path of Fire" ) is a 2012 Indian action drama film produced by Hiroo Yash Johar and Karan Johar under the banner of Dharma Productions.  It is a retelling of the 1990 film of the same name and was directed by Johar's former assistant Karan Malhotra.  The screenplay was written by Malhotra along with Ila Dutta Bedi.  Johar pays tribute to his father, Yash Johar, the producer of the original, through the film.  The music of the film was composed by Ajay-Atul, with lyrics written by Amitabh Bhattacharya.  Though publicised as a remake, the film borrows only the basic plot of the original, while making the characters and incidents completely different.  The film's title was taken from a poem of the same name by Harivansh Rai Bachchan, which forms a thematic link through the film, both literally and metaphorically.

Yash Johar: Yash Johar (6 September 1929 – 26 June 2004) was an Indian Bollywood film producer.  He founded Dharma Productions in 1976 and made Hindi films that were noted for featuring lavish sets and exotic locations, but upheld Indian traditions and family values.

Kal Ho Naa Ho: Kal Ho Naa Ho (English: "Tomorrow May Never Come"), abbreviated as KHNH, is a 2003 Indian romantic drama, directed by debutant director Nikkhil Advani.  The film was written by Niranjan Iyengar and Karan Johar and produced by Yash Johar and Karan Johar under their Dharma Productions banner.  The soundtrack for the film was composed by Shankar-Ehsaan-Loy, with lyrics written by Javed Akhtar.

List of Dharma Productions films: Dharma Productions is an Indian production company established by Yash Johar in 1976.  As of 2017, the company has produced 43 Bollywood films, including three that are yet to be released.  A large number of these films were co-produced with companies such as UTV Motion Pictures, Red Chillies Entertainment and Fox Star Studios.

Dharma Productions: Dharma Productions Pvt. Ltd. is an Indian production and distribution company established by Yash Johar in 1979.  It was taken over in 2004 after his death by his son Karan Johar.  Based in Mumbai it mainly produces and distributes Hindi films.

Student of the Year: Student of the Year is a 2012 Indian romantic comedy-drama film directed by Karan Johar and produced by Hiroo Yash Johar under the banner of Dharma Productions and in collaboration with Shah Rukh Khan's Red Chillies Entertainment.  The movie features newcomers Sidharth Malhotra, Varun Dhawan and Alia Bhatt in the lead roles with Rishi Kapoor, Sana Saeed, Ronit Roy, Sahil Anand, Ram Kapoor and Farida Jalal in supporting roles.  The movie also features Boman Irani, Kajol, Farah Khan and Vaibhavi Merchant in guest appearances.  This is Karan Johar's first-and-only directorial venture without Shah Rukh Khan.

Karan Johar: Karan Johar (born 25 May 1972), often informally referred to as KJo, is an Indian film director, producer, screenwriter, costume designer, actor and television personality who is primarily known for his work in Hindi films.  He is the son of Hiroo Johar and the acclaimed producer Yash Johar.

Supporting paragraphs: Yash Johar Dharma Productions
Answer: Karan Johar