context: The Nallamalais (literally, "black hills") (also; the Nallamala range) are a part of the Eastern Ghats. These forests are spread mainly in the five districts of Andhra Pradesh (Kurnool District, Mahabubnagar District, Guntur District, Prakasam District and Kadapa District). They are about 150 km north-south of the river Krishna and the Penna River. Extending up to. The region is known as the Nillamala forest. The range of these hills is called the black hills. Their average height is 520 meters. The height of the Bhairani Hill is 929 meters and the height of the hills is 903 meters at Gundlabrahmeshwaram. Both these peaks are located to the northwest of Kambam town. There are also many peaks up to 800 meters high. [2] The tiger sanctuary is located in the dense forest at the center of the Nallamala. This is called the Rajiv Sanctuary. It is one of 19 tiger care centers in the country.
question: How many districts in Andhra Pradesh does the Nallamala forests cover?
answers.text: five