Question: Who was the director of the 2004 Hong Kong martial arts film starring the actress whose nickname is "Dingding"?

full_context: Document 1: Tiffany Chen: Tiffany Chen Ming-Yin is a Hong Kong administrative producer for films made by China Star Entertainment Group. Chen has been named one of The Hollywood Reporter's international Women in Entertainment. Women in Entertainment is an annual list of 100 women power players in Hollywood as well as selected influential women film executives overseas. Chen is the wife of actor-turned-film producer/presenter Charles Heung..They have 2 sons together.
Document 2: Dennis To: Dennis To Yu-hang (born 1 January 1981) is a Hong Kong martial artist and actor. He started his career as a wushu practitioner and won several awards at various competitions, including a silver medal at the 2002 Asian Games and a gold medal at the 2005 East Asian Games. To became an actor in 2007 and started off by playing minor roles in "Ip Man" (2008), "Bodyguards and Assassins" (2009) and "Ip Man 2" (2010). He is best known for his role as the Wing Chun grandmaster Ip Man in the 2010 film "The Legend Is Born – Ip Man".
Document 3: Wong Kar-wai: Wong Kar-wai, BBS (born 17 July 1958) is a Hong Kong Second Wave filmmaker, internationally renowned as an auteur for his visually unique, highly stylized work, including "As Tears Go By" (1988), "Days of Being Wild" (1990), "Ashes of Time" (1994), "Chungking Express" (1994), "Fallen Angels" (1995), "Happy Together" (1997), "2046" (2004) and "The Grandmaster" (2013). His film "In the Mood for Love" (2000), starring Maggie Cheung and Tony Leung, notably garnered widespread critical acclaim.
Document 4: Poon Choi Ying Chi: Tsui Ting Or (born 1992), known professionally as Poon Choi Ying Chi, is a Hong Kong singer and comedian. She is the director and one of the hosts of the news satire programmes of "TV Most" and is the vocalist of the band "Autumn Cicada". Beside her role in the satire programmes, she has been an opinion leader among the younger generation of Hong Kong people and has impact on the recent emergence of a Hong Kong identity. She is also known for her involvement in pro-democratic activism.
Document 5: Seven Swords: Seven Swords is a 2005 Hong Kong "wuxia" film produced and directed by Tsui Hark, starring Leon Lai, Donnie Yen, Charlie Yeung, Sun Honglei, Lu Yi and Kim So-yeon. The story is loosely adapted from Liang Yusheng's novel "Qijian Xia Tianshan" and is completely unrelated to the novel except for some characters' names. "Seven Swords" was used as the opening film to the 2005 Venice Film Festival and as a homage to Akira Kurosawa's 1954 film "Seven Samurai".
Document 6: Chung Ching: Zhang Linlin (张玲麟 , born Xiangxiang, 12 June 1933) better known by the Hong Kong stage name Chung Ching ( ) was a popular leading lady of Hong Kong films in the 1950s. After completing 54 films from 1953 to 1967, many of them in the leading role, she retired from film at the height of her career to become well known as a painter using both shui-mo and Western watercolor techniques.
Document 7: Throw Down (film): Throw Down () is a 2004 Hong Kong martial arts film directed by Johnnie To and starring Louis Koo, Aaron Kwok, Cherrie Ying and Tony Leung Ka-fai. Director To dedicated the film, one of his most personal films to date, to the late Japanese filmmaker Akira Kurosawa and drew elements from Kurosawa's debut feature "Sanshiro Sugata". The film premiered at the 61st Venice International Film Festival.
Document 8: Lo Wei: Lo Wei (sometimes spelled Lo Wai, 12 December 1918 – 20 January 1996) was a Hong Kong film director and film actor best known for launching the martial arts film careers of both Bruce Lee, in "The Big Boss" and "Fist of Fury", and Jackie Chan, in "New Fist of Fury".
Document 9: Jody Chiang: Jody Chiang or Jiang Hui (), born Jiang Shuhui (), is a Taiwanese popular singer. She began recording in the 1980s and retired in 2015, having released 60 albums. Her trademark ballads and folk songs are typically sung in Taiwanese. Her role in Taiwan's popular music scene is often compared to that of Teresa Teng. She is the older sister of Chiang Shu-na.
Document 10: Chang Hsiao-yen (actress): Chang Hsiao-yen (; born 11 August 1948) is a Taiwanese television host and actress. Born in Shanghai, China, Chang relocated to Taiwan after the Chinese Civil War where she started her acting career at the age of five as a child actress in cinema. In 1958, she received her first Best Child Actress award at the Asia Pacific Film Festival, a recognition she earned for three consecutive years and which placed her alongside notable child stars such as Josephine Siao, Lydia Shum, Fung Bo Bo and Connie Chan. Since the 1980s, Chang has become a household name in Taiwan after hosting the CTS variety show "Variety 100" (綜藝100) which is one of the most successful shows in the television history of Taiwan. She is also known for her work as the host of highly rated variety shows such as "Weekend Pie" (週末派), "Super Sunday" (超級星期天), "Million-Dollar Class" (百萬小學堂) and "SS Hsiao-yen Night" (SS小燕之夜).
Document 11: Chou Tai-ying: Chou Tai-ying (, born August 16, 1963) is a Taiwanese female football (soccer) coach and former player. She is considered the most successful Taiwanese footballer so far. She was Chinese Taipei's key player in the 1980s and early 1990s, winning three AFC Women's Asian Cups (1977, 1979, 1981) and two OFC Women's Championships (1986, 1989). She was also one of the few Taiwanese players who have played for foreign professional clubs. In 1987, she joined the German football club SV Bergisch Gladbach 09 and won two championships. She joined Suzuyo Shimizu F.C. Ladies of Japanese L. League in 1989, in which Shimizu F.C. Ladies won the first league season title and Chou herself scored 12 goals, making her the Golden Boot winner and member of Best XI. She retired from player career after 1994 Asian Games.
Document 12: Johnnie To: Johnnie To (born 22 April 1955), also known as To Kei-Fung (杜琪峯), is a Hong Kong film director and producer. Popular in his native Hong Kong, To has also found acclaim overseas. Intensely prolific, To has made films in a variety of genres, though in the West he is best known for his action and crime movies, which have earned him critical respect and a cult following (which include Quentin Tarantino, who once said that he really loves to watch To's gangster films).
Document 13: Akira Kurosawa: Akira Kurosawa (黒沢 明 , March 23, 1910 – September 6, 1998) was a Japanese film director and screenwriter. Regarded as one of the most important and influential filmmakers in the history of cinema, he directed 30 films in a career spanning 57 years.
Document 14: Cherrie Ying: Ting Man (born 20 June 1983), better known by her stage names Cherrie Ying or Ying Choi-yi, is a Taiwan-born Hong Kong actress. She moved to New York City at a young age, and later to Hong Kong. Her nickname is "Dingding" (丁丁), and she is often credited under the name Cherrie In.
Document 15: Angelababy: Angela Yeung Wing (born 28 February 1989), better known by her stage name Angelababy, is a Chinese model, actress, and singer based in Hong Kong. Her stage name came from the combination of her English name "Angela" and her nickname "Baby". In 2013, she was chosen by "Southern Metropolis Daily" as one of the New Four Dan Actresses. In 2016, she won the Hundred Flowers Award for Best Supporting Actress for her role in the blockbuster film "".
ground_truth: Johnnie To