context: Katulampa Weir is a building located in the Katulampa Village, Bogor City, West Java. This building was built in 1911 with the aim of being an early warning of water that was flowing into Jakarta and irrigation facilities covering an area of ​​5,000 hectares located on the right and left side of the weir. [1]. During the rainy season, this weir can be passed by water with a record discharge of 630 thousand liters of water per second or an altitude of 250 centimeters that had occurred in 1996, 2002, 2007, and 2010. [2]
question: what is the area of ​​Katulampa weir?
answers.text: 5,000 hectares