Question: What is the currency in the city where All About Ah-Long was produced?

full_context: Document 1: 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 2: All About Ah-Long: All About Ah-Long (, Taiwan title:又見阿郎) is a 1989 Hong Kong family drama film directed by Johnnie To and starring Chow Yun-fat and Sylvia Chang, whom also serve as the film's storywriters.
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: The Head Hunter: The Head Hunter is a 1982 Hong Kong action film directed by Lau Shing-hon and starring Chow Yun-fat and Rosamund Kwan. The film is also known as Long Goodbye in the United States.
Document 5: The Romancing Star III: The Romancing Star III is a 1989 Hong Kong romantic comedy film directed by Sherman Wong and starring Stanley Fung, Wong Jing, Lawrence Cheng, James Wong, Shing Fui-On, Sam Christopher Chan and guest stars Andy Lau, the star of "The Romancing Star II"
Document 6: Ah Long Pte Ltd: "Ah Long Pte Ltd" was released in Singapore on 7 February 2008, and in Malaysia on 13 March. Its languages consist of Mandarin (in a heavily Johor-accented version as spoken by Mark Lee), Hokkien and Cantonese.
Document 7: The Fun, the Luck & the Tycoon: The Fun, the Luck & the Tycoon is a 1990 Hong Kong comedy film directed by Johnnie To and starring Chow Yun-fat, Sylvia Chang, Nina Li Chi and Lawrence Cheng.
Document 8: A Moment of Romance: A Moment of Romance () is a 1990 Hong Kong action romance film directed by Benny Chan, produced by Johnnie To, and starring Andy Lau, Jacklyn Wu and Ng Man-tat. For his performance in the film, Ng was awarded Best Supporting Actor at the 10th Hong Kong Film Awards.
Document 9: 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 10: Shanghai 13: Shanghai 13, also known as The Shanghai Thirteen, is a 1984 Hong Kong-Taiwanese martial arts film written and directed by Chang Cheh and starring an ensemble cast of notable film stars such as Andy Lau, Jimmy Wang Yu, Ti Lung, Chen Kuan-tai, Danny Lee, Bryan Leung, David Chiang, Chiang Sheng, Chi Kuan-chun, Chan Sing, Lu Feng and more.
Document 11: 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 12: 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 13: Long Arm of the Law Part 3: Long Arm of the Law Part 3 is a 1989 Hong Kong action film directed by Michael Mak and starring Andy Lau, Elizabeth Lee, Max Mok and Elvis Tsui. The film is the third entry of the "Long Arm of the Law" film series, where each of the films have a different storyline.
Document 14: 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 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: Which was the country for All About Ah-Long? Answer: Hong Kong
what is the currency in Hong Kong china Answer: Hong Kong dollar