You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Hyderabad

Context:
Hyderabad sits at the junction of three National Highways linking it to six other states: NH-7 runs 2,369 km (1,472 mi) from Varanasi, Uttar Pradesh, in the north to Kanyakumari, Tamil Nadu, in the south; NH-9, runs 841 km (523 mi) east-west between Machilipatnam, Andhra Pradesh, and Pune, Maharashtra; and the 280 km (174 mi) NH-163 links Hyderabad to Bhopalpatnam, Chhattisgarh NH-765 links Hyderabad to Srisailam. Five state highways, SH-1, SH-2, SH-4, SH-5 and SH-6, either start from, or pass through, Hyderabad.:58

Question:
How many national highways form a junction in Hyderabad?

three