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

### Instruction:
What is the primary artillery for the  1,051 ships?

### Inputs:
table_name: table, columns: ['Warship', 'tons ( L.ton )', 'Horse- power', 'Speed ( Knots )', 'Main Artillery', 'Built Year']

### Response:
SELECT Main Artillery FROM table WHERE tons ( L.ton ) = 1,051