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

### Instruction:
Name the fleet numbers for diagram of 186 and lot number of 30798

### Inputs:
table_name: table, columns: ['Lot No.', 'Diagram', 'Mark', 'Builder', 'Fleet numbers', 'Notes']

### Response:
SELECT Fleet numbers FROM table WHERE Diagram = 186 AND Lot No. = 30798