Title: Twenty-One (1991 film)
Content:  Twenty-One is a British-American drama film directed by Don Boyd and co-scripted by him with Zoë Heller. Patsy Kensit stars as the 21-year-old protagonist. It premiered at the Sundance Film Festival in February 1991. It was released theatrically later that year in the United States on 4 October, followed by a British release on 1 November.
Title: Table No. 21
Content:  Table No. 21 is a 2013 Indian thriller film directed by Aditya Datt and produced by Eros International. It is named after Article 21 of the Indian Constitution, which talks about the protection of life and personal liberty. The movie features Rajeev Khandelwal, Tina Desai and Paresh Rawal and touches upon the pertinent social issue of ragging. The movie's soundtrack was composed by Gajendra Verma, Neeraj Shridhar and Sachin Gupta. The film performed above average at the box office.
Title: 1921 (2018 film)
Content:  1921 is a 2018 Indian horror film, produced and directed by Vikram Bhatt, under his LoneRanger Productions banner. It stars Zareen Khan and Karan Kundra in lead roles and was released on 12 January 2018. It is the first installment in the 1921 (film series) and also a spin-off from the 1920 film series. The film was declared an average grosser at box office.
Title: Twenty-One (1918 film)
Content:  Twenty-One is a 1918 silent film presumed lost. It was directed by William Worthington and starred Bryant Washburn and Gertrude Selby. In this coming-of-age comedy drama, Washburn played the dual roles of a coddled rich kid and a tough prizefighter who trade places. Washburn and Selby starred together again in Kidder & Ko.
Title: 21
Content: 21 (2008 film), starring Kevin Spacey, Laurence Fishburne, Jim Sturgess, and Kate Bosworth ; Twenty-One (1991 film), starring Patsy Kensit ; Twenty-One (1923 film), starring Richard Barthelmess ; Twenty-One (1918 film), starring Bryant Washburn 
Title: Twenty-One (1991 film)
Content: Patsy Kensit as Katie ; Jack Shepherd as Kenneth ; Patrick Ryecart as Jack ; Maynard Eziashi as Baldie ; Rufus Sewell as Bobby ; Sophie Thompson as Francesca ; Susan Wooldridge as Janet ; Robert Bathurst as Mr. Metcalfe 
Title: 21mu Tiffin
Content:  21mu Tiffin (૨૧મું ટિફિન, ) is a 2021 Gujarati drama film directed by Vijaygiri Bava, produced by Twinkle Vijaygiri under the banner Vijaygiri FilmOS. It is based on 21mu Tiffin, a short story by Raam Mori. The film is about a woman running tiffin service business. It was released on 10 December 2021.
Title: 211 (film)
Content:  211 is a 2018 American crime-action film directed by York Shackleton and written by Shackleton and John Rebus. The film stars Nicolas Cage, Sophie Skelton, Cory Hardrict, Michael Rainey Jr., Ori Pfeffer and Weston Cage. Filming began on February 27, 2018 and ended on April 27, 2018. The film was released on June 8, 2018, by Momentum Pictures. It is based on the 1997 North Hollywood shootout. 211 refers to the Hundred Code for robbery used in California, although the story is set in the fictional city of Chesterford, Massachusetts.
Title: 21 (2008 film)
Content:  21 is a 2008 American heist drama film directed by Robert Luketic and starring Jim Sturgess, Kevin Spacey, Laurence Fishburne, Kate Bosworth, Liza Lapira, Jacob Pitts, Aaron Yoo, and Kieu Chinh. The film is inspired by the true story of the MIT Blackjack Team as told in Bringing Down the House, the best-selling 2003 book by Ben Mezrich. Despite its largely mixed reviews and controversy over the film's casting choices, 21 was a box office success, and was the number one film in the United States and Canada during its first and second weekends of release.
Title: Twenty-One (1991 film)
Content:  The film received a rapturous response upon its premiere at Sundance. "Patsy Kensit is a standout as Katie, bringing an enormous amount of charisma, warmth, and humor to her role, and supported by an elegant script. Director Don Boyd, best known as the producer of Aria, blends the performances, story and the integral cinematic device of Katie's direct camera narration with exceptional dexterity. Thus he never misses an opportunity to communicate Katie's feelings through pure technique. Katie views the future with optimistic uncertainty, convinced she can win over the world. With its warmth and wit, Twenty-One is prepared to accomplish the same goal." Reception in Paris was also enthusiastic but UK press reviews were mixed despite Kensit receiving raves for her performance.

Question: Who was the director of 21?
Answer: Robert Luketic.
Robert Luketić.