Title: Challenge (2009 film)
Content:  Challenge is a 2009 Indian Bengali action romance film directed by Raj Chakraborty. The film stars Dev and Subhashree Ganguly. For few scenes and music-videos, shooting was done in Dubai. The film is a remake of Telugu movie Dil (2003).
Title: Challenge (2017 film)
Content:  Challenge is a 2017 Indian action film directed by Satish Jain and starring Pawan Singh, Madhu Sharma, Samir Aftab. It was produced by Abhay Sinha's Yashi Films Pvt Ltd.
Title: Challenge (1984 film)
Content:  Challenge is a 1984 Indian Telugu-language film directed by A. Kodandarami Reddy and produced by K. S. Rama Rao under the Creative Commercials banner. It stars Chiranjeevi, Vijayashanti, Suhasini and Rao Gopal Rao with music composed by Ilaiyaraaja. This film is based on Yandamuri Veerendranath's novel Dabbu to the power of Dabbu. The plot revolves around an unemployed youngster (Chiranjeevi) taking up a challenge of a successful business magnet (Rao) to earn ₹50 lakhin 5 years. Challenge released on 9 August 1984 and became a critically acclaimed and commercially successful film.
Title: The Challenge (1982 film)
Content:  The Challenge is a 1982 American action film directed by John Frankenheimer and written by John Sayles, Richard Maxwell, and Marc Norman. The film stars Scott Glenn and Toshirō Mifune, and features several aikido-based action scenes choreographed by Steven Seagal, prior to the start of his own film career.
Title: The Challenge (1970 film)
Content:  The Challenge is a 1970 made-for-television movie starring Darren McGavin and Mako. Director George McCowan chose to hide his involvement by using the pseudonym Alan Smithee (spelled Allen Smithee in the credits). This was the last film appearance of Paul Lukas.
Title: The Challenge (2003 film)
Content:  The Challenge is a 2003 film starring Mary-Kate and Ashley Olsen. It is their final direct-to-video production.
Title: Challenge (2009 film)
Content:  Challenge 2 is a 2012 Indian Bengali action comedy film directed by Raja Chanda starring Dev and Pooja Bose. The film is a spiritual sequel to the 2009 Bengali film Challenge
Title: The Challenge (1982 film)
Content: Scott Glenn as Rick Murphy ; Toshiro Mifune as Satoru "Toru" Yoshida ; Atsuo Nakamura as Hideo Yoshida ; Donna Kei Benz as Akiko Yoshida ; Calvin Jung as Ando ; Clyde Kusatsu as Go ; Sab Shimono as Toshio Yoshida ; Ryuji Yamashita as young Toshio ; Kiyoaki Nagai as Kubo ; Kenta Fukasaku as Jiro ; Shōgo Shimada as Shin'ichi Yoshida ; Yoshio Inaba as Kenzo the Instructor ; Seiji Miyaguchi as Old Man ; Miiko Taka as Machiko Yoshida 
Title: Challenge (2009 film)
Content:  Jeet Gannguli composed the music and lyrics were written by Priyo Chattopadhyay, Dipangshu Acharyaa, Abhimanyu Mukherjee, Nachiketa Chakraborty, Gautam Sushmit for Challenge.
Title: Challenge 2
Content:  Challenge 2 is a 2012 Indian Bengali action comedy film directed by Raja Chanda starring Dev and Pooja Bose in lead roles. The film is a spiritual sequel to the 2009 Bengali film Challenge; it contains a very different storyline. Major parts of the movie were shot in Malaysia, Dubai and Mumbai besides Kolkata. Challenge 2 is a remake of 2011 Telugu film Dookudu, directed by Srinu Vaitla and starring Mahesh Babu and Samantha Ruth Prabhu. The film was blockbuster at box office collection.

Question: Who was the director of Challenge?
Answer: Raj Chakraborty.
Raju Chakraborty.