Question: Yu Rongguang is best known for his work in the title role of the Hong Kong martial arts film written and produced by Tsui Hark from what year?

Context paragraphs:
The Era of Vampires: The Era of Vampires is a 2002 Hong Kong martial arts horror film directed by Wellson Chin and produced by Tsui Hark.  An edited version of the film was released in North America under the title Tsui Hark's Vampire Hunters.  The film lacked comedy, a departure from earlier jiangshi films like "Mr. Vampire" that were popular in the 1980s.

The East Is Red (1993 film): The East Is Red, also known as Swordsman III, is a 1993 Hong Kong wuxia film.  The main character in the film is loosely based on Dongfang Bubai, a character in Louis Cha's novel "The Smiling, Proud Wanderer".  The film was produced by Tsui Hark, directed by Ching Siu-tung, and starred Brigitte Lin, Joey Wong and Yu Rongguang.  The film is regarded as a sequel to "The Swordsman" and "Swordsman II".

Once Upon a Time in China III: Once Upon a Time in China III is a 1993 Hong Kong martial arts film written, produced and directed by Tsui Hark, starring Jet Li as Chinese folk hero Wong Fei-hung.  It is the third instalment in the "Once Upon a Time in China" film series.

Once Upon a Time in China II: Once Upon a Time in China II is a 1992 Hong Kong martial arts film written and directed by Tsui Hark, and starring Jet Li as Chinese folk hero Wong Fei-hung.  It is the second instalment in the "Once Upon a Time in China" film series.  The iconic theme song, "A Man Should Better Himself" (男兒當自強), was performed in Cantonese by George Lam at the beginning of the film, and by Jackie Chan in the end credits.  (Chan also sang the Mandarin version.)

Iron Monkey (1993 film): Iron Monkey is a 1993 Hong Kong martial arts film written and produced by Tsui Hark and directed by Yuen Woo-ping, starring Donnie Yen, Yu Rongguang, Jean Wang, Angie Tsang and Yuen Shun-yi.  It is not related to the 1977 Hong Kong film of the same title.

Yu Rongguang: Yu Rongguang (born 30 August 1958), also known as Ringo Yu, is a Chinese actor and martial artist who started his career in Hong Kong.  He is best known for the title role in "Iron Monkey" along with Donnie Yen as well as being featured in films such as "The East Is Red", "My Father Is a Hero", and "Musa".

Once Upon a Time in China V: Once Upon a Time in China V is a 1994 Hong Kong martial arts action film written and directed by Tsui Hark.  The film is the fifth installment in the "Once Upon a Time in China" film series, with Vincent Zhao reprising his role as Chinese folk hero Wong Fei-hung, since taking over the character from Jet Li in "Once Upon a Time in China IV".  The film also saw the return of Hark as director (he only co-wrote and produced the fourth film) and of Rosamund Kwan as "13th Aunt", who was absent in the fourth film.

The Master (1989 film): The Master (traditional Chinese: 龍行天下) is a 1989 Hong Kong martial arts film written, produced and directed by Tsui Hark, and starring Jet Li, Yuen Wah, Crystal Kwok and Jerry Trimble.  The project was filmed in 1989, but it was not released until 1992 when the success of "Once Upon a Time in China" made Li a major action star.

Raymond Chow: Raymond Chow Man-Wai GBS (born 8 October 1927) is a Hong Kong film producer, and presenter.  He is responsible for successfully launching martial arts and the Hong Kong cinema onto the international stage.  As the founder of Golden Harvest, he produced some of the biggest stars of the martial arts film genre, including Bruce Lee, Jackie Chan, and Tsui Hark.

Iron Monkey 2: Iron Monkey 2 is a 1996 Hong Kong martial arts film directed by Chao Lu-jiang and featuring action choreography by Yuen Woo-ping.  This film starred Donnie Yen as "Iron Monkey", a role played by Yu Rongguang in the 1993 film "Iron Monkey", which also starred Yen, but in a different role.  The story in "Iron Monkey 2" is not related to that of "Iron Monkey".

Supporting paragraphs: Yu Rongguang Iron Monkey (1993 film)
Answer: 1993