context: The system began operations on July 28, 2004 by completing a floating line with ten stations between Huangpu Street Station and Zongguan Station, [2] making Wuhan the fifth city in Mainland China that has a metro system after Beijing, Tianjin, Shanghai , and Guangzhou. [3] Line 1 is the first metro line in China which is misinterpreted as a light rail system (轻轨, qing gui) in Chinese grammar. [4] As of December 2015, there are four lines in operation, with 102 stations and lines along 128.7 kilometres (80.0mi). The daily number of passengers from Wuhan Metro ranges from 1,500,000 to 2,000,000. [5] [6]
question: When will Wuhan Metro start operating?
answers.text: July 28, 2004