Question: What is the currency of the semi-autonomous Chinese city where Hearts of Fencing was released?

full_context: Document 1: La vie devant nous: La vie devant nous was the most popular teenage drama in France about a group of high school friends growing up, falling in love, fighting, dealing with troubles, exploring their sexuality and more.
Document 2: Star Knows My Heart: Star Knows My Heart () (1983) is a popular 40-episode TV series produced by Taiwan Television. It is about a woman who, after her husband dies, sends her five children to five families before dying herself. The five children meet again, leave their adopted families and form a new family.
Document 3: 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 4: 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 5: Blade Club: Blade Club (Fencing) Singapore is a commercial fencing club founded 2005 by Henry Koh, an ex-National fencer of Singapore. The club teaches fencing students at all levels, from beginner to advanced fencing in group or individual lesson formats. According to the Club website, the mission of the Blade Club is to help develop fencing in Singapore, focusing on helping students to learn fencing well and to achieve success in competitive fencing. Blade Club has classes for all three weapons in fencing: foil, epee, and sabre. The Club is located along Bukit Timah Road, Singapore.
Document 6: 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 7: 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 8: 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 9: 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.
Document 10: A Fistful of Stances: A Fistful of Stances () is a 2010 TVB television drama from Hong Kong produced and created by Lee Tim-shing. The Chinese title, literally meaning "Iron Horse Seeks Bridge," defines a person who is able to finally use his high potential to learn powerful techniques.
Document 11: The Battle Among the Clans: The Battle Among the Clans (大香港) is a Hong Kong clan drama series produced by TVB that took place from the mid-1940s to 1950s.
Document 12: 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 13: Hearts of Fencing: Hearts of Fencing (當四葉草碰上劍尖時) was a 2003 television drama on Hong Kong station Television Broadcasts Limited. The series, targeted at an audience of teenagers and young adults, focused on the lives of students from an international school, with a heavy theme of fencing.
Document 14: Ein Herz und eine Seele: The show reflects the life of a petty bourgeois family in West German Wattenscheid, characterised by the social climate of the Willy Brandt era and its political upheavals initiated by the German student movement of 1968. "Ein Herz und eine Seele" makes intensive use of references to German politics and social issues of the early and mid-1970s, when Germany was still divided, not just between East and West, but also (in the case of West Germany) between liberals and conservatives. To feature these tensions in a TV series broke new ground at that time.
Document 15: The Academy (franchise): The Academy is a Hong Kong TVB modern drama focusing on two young men (played by Ron Ng and Sammul Chan) from entering and training at the police academy to joining the police force and solving crime.
ground_truth: Hong Kong dollar
sub_queries: What country released Hearts of Fencing? Answer: Hong Kong
what is the currency in Hong Kong china Answer: Hong Kong dollar