Question: What famous son of Hiroo Johar and the acclaimed producer Yash Johar made his directorial debut with the film, "Kuch Kuch Hota Hai?"
Context: 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. Sana Saeed (born 22 September 1988) is an Indian actress and model, who appears in Bollywood films.  She first appeared as a child artist in "Kuch Kuch Hota Hai" (1998) and continued to do so in films "Har Dil Jo Pyar Karega" (2000) and "Badal" (2000).  She also appeared in television shows such as "Babul Ka Aangann Chootey Na" (2008) and "Lo Ho Gayi Pooja Iss Ghar Ki" (2008).  In 2012, Saeed made her screen debut as an adult in a supporting role in Karan Johar's "Student Of The Year", which emerged as a box-office commercial success.  She has appeared in many reality shows including "Jhalak Dikhhla Jaa" (2013), "Nach Baliye" (2015) and "" (2016). Jatin–Lalit are a Bollywood film composer duo consisting of Jatin Pandit and his younger brother Lalit.  They have written the scores for films such as "Khiladi", "Jo Jeeta Wohi Sikandar", "", "Dilwale Dulhania Le Jayenge", "Yes Boss", "Jab Pyaar Kisise Hota Hai", "Kuch Kuch Hota Hai", "Mohabbatein", "Kabhi Khushi Kabhi Gham" and "Fanaa" . Give It to Me is the third single from Mobb Deep's debut album with G-Unit Records, "Blood Money".  The song features Young Buck and is produced by Profile.  It samples "Kuch Kuch Hota Hai". The 44th Filmfare Awards were held on February 21, 1999, in Mumbai India.  Karan Johar's directorial debut "Kuch Kuch Hota Hai" dominated the awards, including a sweep of the major acting categories.  Ram Gopal Varma's "Satya and Mani Ratnam's "Dil Se. . " were the other big winners. Koochie Koochie Hota Hai is a delayed-release computer-animated Bollywood film directed by Tarun Mansukhani and co-produced by Dharma Productions and Prana Studios.  The voice-over for the lead anthropomorphic characters has been given by Sanjay Dutt, Shahrukh Khan, Kajol, Rani Mukerji and Ritesh Deshmukh.  It is an animated remake of the hit 1998 Hindi film, "Kuch Kuch Hota Hai". Kuch Kuch Hota Hai (English: "Something Happens") also known as KKHH, is an Indian Hindi coming-of-age romantic comedy drama film, released in India and the United Kingdom on 16 October 1998.  It was written and directed by Karan Johar, and starred the popular on-screen pair of Shah Rukh Khan and Kajol in their fourth film together.  Rani Mukerji featured in a supporting role, while Salman Khan also had an extended-cameo appearance.  Sana Saeed, who was featured in a supporting role, made her film debut in this movie. Shah Rukh Khan (also credited as Shahrukh Khan) is an Indian actor, producer and television personality.  Khan began his acting career on television by playing a soldier in the Doordarshan series "Fauji" (1988), a role that garnered him recognition and led to starring roles in more television shows.  He soon started receiving offers for film roles and had his first release with the romantic drama "Deewana" (1992), in which he played a supporting part.  Khan subsequently played the antagonist of the 1993 thrillers "Baazigar" and "Darr", box office hits that established his career in Bollywood.  In 1995, Khan starred opposite Kajol in Aditya Chopra's romance "Dilwale Dulhania Le Jayenge", that became the longest running Indian film of all time.  He continued to establish a reputation in romantic roles by playing opposite Madhuri Dixit in "Dil To Pagal Hai" (1997), and Kajol in the Karan Johar-directed blockbusters "Kuch Kuch Hota Hai" (1998) and "Kabhi Khushi Kabhie Gham..." (2001). Rani Mukerji is an Indian actress known for her work in Bollywood films.  She made her screen debut with a supporting role in "Biyer Phool" (1996), a Bengali film directed by her father Ram Mukherjee.  Her first leading role was that of a rape victim in the 1997 social drama "Raja Ki Aayegi Baraat", for which she won a special jury trophy at the Screen Awards ceremony.  In 1998 she received wider recognition for her role alongside Aamir Khan in the action film "Ghulam".  Later that year, her breakthrough role as the romantic interest of Shah Rukh Khan's character in the romantic drama "Kuch Kuch Hota Hai" earned Mukerji her first Filmfare Award in the Best Supporting Actress category.  She followed this initial success by portraying the leading lady in several films, including the comedy film "Hello Brother" (1999) and the drama "" (2001), none of which helped propel her career forward. Santosh Thundiyil is one of the most celebrated and famous contemporary Indian cinematographers, with more than six block busters and lots of artistic films in his profile.  He is best known for films like "Kuch Kuch Hota Hai" (1998), "Devadoothan" (2000), "Krrish" (2006), "Pinjar" (2003), "Rowdy Rathore" (2012) and "Jai Ho" (2014). rustom 2016
Answer: Karan Johar