context: Bijjapalli is a village in the Hukumpeta zone of the Visakhapatnam district. [1] It is 13 km from Hukumpeta, the center of the zone. M. 99 km from the nearest town, Anakapalli. M. Is also in the distance. According to the 2011 census of India, the village is spread over 121 hectares with 30 houses and 146 populations. The number of males in the village is 66, the number of females is 80. The number of scheduled castes is 0 and the number of scheduled tribes is 142. The census location code of the village is 584436 [2] .PIN code: 531077.
question: How many houses are there in Bijjapalli village by 2011?
answers.text: 30