Question: What is the currency in the city in China where the thriller Internal Affairs was produced?

full_context: Document 1: Thai baht: The baht (; Thai: บาท, pronounced [bàːt]; sign: ฿; code: THB) is the official currency of Thailand. It is subdivided into 100 satang (สตางค์, pronounced [sātāːŋ]). The issuance of currency is the responsibility of the Bank of Thailand.
Document 2: Overheard 3: Overheard 3 (Chinese: 竊聽風雲3) is a 2014 Hong Kong-Chinese crime-thriller film written and directed by Alan Mak and Felix Chong and starring Sean Lau, Louis Koo, Daniel Wu, Zhou Xun and Michelle Ye. It is a sequel to the 2011 film "Overheard 2" in which Lau, Koo and Wu play different roles with a different storyline (abolishing the Small House Policy), but the key elements of the previous two films are kept. The film was released in China on 29 May 2014 and in Hong Kong on 5 June 2014.
Document 3: History of Chinese currency: The currency became legal tender in China commencing in 1937. It was later replaced by issues from puppet banks. However, the currency remained in force in Hong Kong between 1941 and 1945. Initially set at HK$2 = JMY1, the Hong Kong dollar was largely preferred by locals and hoarded away. In order to address this, the Japanese government made possession of Hong Kong dollars illegal in 1943 and required a conversion to JMY at 4 to 1.
Document 4: Hong Kong dollar: The Hong Kong dollar (Chinese: 港幣; Cantonese Yale: Góng bàih; sign: HK $; code: HKD) is the official currency of Hong Kong. It is subdivided into 100 cents. The Hong Kong Monetary Authority is the governmental currency board and also the de facto central bank for Hong Kong and the Hong Kong dollar.
Document 5: Overheard 2: Overheard 2 is a 2011 Hong Kong crime thriller film produced by Derek Yee, written and directed by Alan Mak and Felix Chong and starring Louis Koo, Lau Ching-wan and Daniel Wu. It is a sequel to the 2009 film "Overheard" where Koo, Lau and Wu play different roles with a different storyline, but the key elements of the first film are kept. Another sequel, "Overheard 3" was released on 30 May 2014.
Document 6: Election 2: Election 2 (literal title: "Black Society: Harmony is a Virtue"), also known as Triad Election in the United States, is a 2006 Category III Hong Kong crime film directed by Johnnie To with a large ensemble cast that includes Louis Koo, Simon Yam and Nick Cheung. A sequel to the 2005 film "Election", the film concludes the events of the first film centring on Lok (Yam), who this time struggles to keep his title as triad boss as a triad re-election draws near, while Jimmy (Koo) attempts to retire as a triad to become a legitimate businessman.
Document 7: Infernal Affairs (film series): Infernal Affairs is a series of three crime-thriller films directed by Andrew Lau and Alan Mak, starring Andy Lau and Tony Leung. It tells the story of a police officer who infiltrates the triads, and a police officer secretly working for the same gang. The Chinese title means "the non-stop way", a reference to Avici, the lowest level of hell in Buddhism. The English title is a word play combining the law enforcement term "internal affairs" with the adjective 'infernal'.
Document 8: Bahamian dollar: The dollar (sign: $; code: BSD) has been the currency of The Bahamas since 1966. It is normally abbreviated with the dollar sign "$", or alternatively B$ to distinguish it from other dollar-denominated currencies. It is divided into 100 cents.
Document 9: Infernal Affairs III: Infernal Affairs III is a 2003 Hong Kong crime thriller film directed by Andrew Lau and Alan Mak. It is the third and final installment in the "Infernal Affairs" film series, and is both a sequel and a semi-prequel to the original film, as it intercuts events before and after the events in the first film. Andy Lau, Tony Leung, Kelly Chen, Anthony Wong, Eric Tsang, and Chapman To reprise their roles again, joined by new cast members Leon Lai and Chen Daoming.
Document 10: Running Out of Time 2: Running Out of Time 2 (, literal title:"Hidden War 2") is a 2001 Hong Kong crime caper film co-directed by Johnnie To and Law Wing-cheung. It is a sequel to To's 1999 film "Running Out of Time", with Lau Ching-wan returning as Inspector Ho Sheung-sang, who this time has to go after an elusive thief played by Ekin Cheng.
Document 11: Australian dollar: The Australian dollar (sign: $; code: AUD) is the currency of the Commonwealth of Australia, including its external territories Christmas Island, Cocos (Keeling) Islands, and Norfolk Island, as well as the independent Pacific Island states of Kiribati, Nauru, Papua New Guinea, Tonga, Tuvalu, and Vanuatu. Within Australia, it is almost always abbreviated with the dollar sign ($), with A $or AU $sometimes used to distinguish it from other dollar - denominated currencies. It is subdivided into 100 cents.
Document 12: Infernal Affairs: Infernal Affairs is a 2002 Hong Kong crime thriller film directed by Andrew Lau and Alan Mak and written by Mak and Felix Chong. It tells the story of a police officer who infiltrates a Triad, and another officer secretly working for the same gang. It is the first in the "Infernal Affairs" series and is followed by "Infernal Affairs II" and "Infernal Affairs III".
Document 13: Bermudian dollar: The Bermudian dollar (symbol: $; code: BMD; also abbreviated BD$; informally called the Bermuda dollar) is the official currency of the British Overseas Territory of Bermuda.  It is subdivided into 100 cents. The Bermudian dollar is not normally traded outside Bermuda, and is pegged to the United States dollar at a one-to-one ratio.  Both currencies circulate in Bermuda on an equal basis.
Document 14: The Criminal Investigator II: The Criminal Investigator II (Traditional Chinese: O記實錄II; lit. "The O Files II") is a 1996 Hong Kong police procedural television drama. Produced by Jonathan Chik with a screenplay edited by Chow Yuk-ming and Chiu Ching-yung, the drama is a TVB production and the direct sequel to 1995's "The Criminal Investigator". The story follows a team of investigators from the Organized Crime and Triad Bureau (OCTB) unit of the Royal Hong Kong Police Force.
Document 15: Malaysian ringgit: The Malaysian ringgit (/ ˈrɪŋɡɪt /; plural: ringgit; symbol: RM; currency code: MYR; formerly the Malaysian dollar) is the currency of Malaysia. It is divided into 100 sen (cents). The ringgit is issued by the Bank Negara Malaysia.
ground_truth: Hong Kong dollar
sub_queries: What is the country Infernal Affairs is from? Answer: Hong Kong
what is the currency in Hong Kong china Answer: Hong Kong dollar