context: The following is a list of sub-districts and villages in the Province of East Nusa Tenggara, Indonesia. The province of East Nusa Tenggara consists of 21 districts, 1 municipality, 309 districts, 327 villages, and 3,026 villages. In 2017, the population is estimated to reach 5,359,667 people with a total area of ​​48,718.10 km². [1]
question: what is the number of sub-districts in East Nusa Tenggara?
answers.text: 309