Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Which year was the vessel Deva built as a Panamax DNV class ship?

### Inputs:
table_name: table, columns: ['Vessel Name', 'Type', 'Built', 'Class', 'Flag']

### Response:
SELECT SUM Built FROM table WHERE Class = dnv AND Type = panamax AND Vessel Name = deva