The conversation between human and AI assistant.
[|Human|] Given a reference text about Putlacheruvu, how many canals are there and what are they used for?
[|AI|] There are three canals in Putlacheruvu. One is used for drinking water and the other two are sewage canals used for pumping water into the fish tanks.
[|Human|] 
Given a reference text about Putlacheruvu, how many canals are there and what are they used for?