context: The foundation stone of this plant was laid on September 18, 1979, and production began in 1989. It is considered the main front for the iron and steel industry in Libya. It is located on an area of ​​1200 hectares east of Misurata. Many international companies contributed to the establishment of this factory, and the most important of these companies are: Austrian company Fust Alpina, the German company Korf, the Japanese company Kobe Steel, the Korean Hyundai company and the Italian Technet company.
question: When was the iron and steel factory in Libyan Misurata opened?
answers.text: 1989