Information:  - China, officially the People's Republic of China (PRC), is a unitary sovereign state in East Asia. With a population of over 1.381 billion, it is the world's most populous country. The state is governed by the Communist Party of China, and its capital is Beijing. It exercises jurisdiction over 22 provinces, five autonomous regions, four direct-controlled municipalities (Beijing, Tianjin, Shanghai, and Chongqing), and two mostly self-governing special administrative regions (Hong Kong and Macau), and claims sovereignty over Taiwan. The country's major urban areas include Shanghai, Guangzhou, Beijing, Chongqing, Shenzhen, Tianjin and Hong Kong. China is a great power and a major regional power within Asia, and has been characterized as a potential superpower.  - Shanghai (": Zånhae" ), often abbreviated as Hu or Shen, is one of the four direct-controlled municipalities of the People's Republic of China. It is the most populous city proper in the world, with a population of more than 24 million . It is a global financial centre and transport hub, with the world's busiest container port. Located in the Yangtze River Delta in East China, Shanghai sits on the south edge of the mouth of the Yangtze in the middle portion of the Chinese coast. The municipality borders the provinces of Jiangsu and Zhejiang to the north, south and west, and is bounded to the east by the East China Sea.  - The Shanghai Maglev Train or Shanghai Transrapid is a magnetic levitation train, or "maglev" line that operates in Shanghai, China. The line was the third commercially operated magnetic levitation line to open in history. It is the fastest commercial high-speed electric train in the world. The train line was designed to connect Shanghai Pudong International Airport and the outskirts of central Pudong where passengers could interchange to the Shanghai Metro to continue their trip to the city center. It cost $1.2 billion to build. The line's balance of payments has been in huge deficit since its opening. From 2004 to 2006, Shanghai Meglev Transportation Development Co.,Ltd, the company runs the line, had more than 1 billion RMB in losses. The line is not a part of the Shanghai Metro network, which operates its own service to Pudong Airport from central Shanghai and from Longyang Road Station.  - Kunshan (Wu: Khuonsae) is a satellite city in the greater Suzhou region. Administratively, it is a county-level city within the prefecture-level city of Suzhou. It is located in the southeastern part of Jiangsu province, adjacent to Shanghai Municipality. The total area of Kunshan is 921.3 square kilometers. The population of Kunshan is 1.647 million (by 2010). The household population is 730,000.  - The Shanghai Metro is a rapid transit system in Shanghai, China, operating urban and suburban rail transit services to 13 of its 16 municipal districts (except Fengxian, Jinshan and Chongming) and to Huaqiao Town, Kunshan, Jiangsu Province. Opening in 1993 with full-scale construction extending back to 1986, Shanghai Metro is the third oldest rapid transit system in China, after the Beijing Subway and the Tianjin Metro. It has seen substantial growth, significantly during the years leading up to the 2010 Shanghai World Expo, and is still expanding, with its most recent expansions having opened in . It is the largest component of the Shanghai metropolitan rail transit network, together with the Shanghai Maglev Train, the Zhangjiang Tram and the China Railway-operated commuter rail services to Jinshan and to Lingang New City in Pudong. The metro system is also heavily tied with other forms of public transport in Shanghai.  - The Tianjin Metro is the current rapid transit system in the city of Tianjin, which was the second city (after Beijing) in China to operate a subway system. Opened in 1984, the system now has 5 operating lines and 95 stations spanning over a total of 132.4 km. The lines are jointly operated by two rapid transit companies, namely the "Tianjin Metro Group Co. Ltd" and the "Binhai Mass Transit Development Co. Ltd". The former mainly operates lines in the downtown, while the latter operates lines that serve the Binhai New Area and TEDA.  - Shanghai has an extensive public transport system, largely based on buses, trolley buses, taxis, and a rapidly expanding metro system. Shanghai has invested heavily in public transportation before and after the 2010 World Expo, including the construction of the Hongqiao Transportation Hub of high-speed rail, air, metro and bus routes.   - The Beijing Subway is a rapid transit rail network that serves the urban and suburban districts of Beijing municipality. The network has 19 lines, 345 stations and of track in operation, and is the second longest subway system in the world after the Shanghai Metro. The subway is the world's busiest in annual ridership, with 3.66 billion trips delivered in 2016, averaging 9.998 million per day, with peak single-day ridership reaching 12.69 million.  - Gongkang Road Station ( Chinese :  ; pinyin : Gòngkng Lù Zhàn ) is the name of a station on Shanghai Metro Line 1 . This station is part of the northern extension of that line .    Given the information above, choose from the list below the object entity that exhibits the relation 'inception' with the subject 'gongkang road station'.  Choices: - 1  - 12  - 13  - 19  - 1984  - 2  - 2004  - 2010  - 2016  - 24  - 345  - 66  - 9  - 998
A:
2004