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

### Instruction:
Name the most lot number with notes of b4 bogies and diagram of 185

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

### Response:
SELECT MAX Lot No. FROM table WHERE Notes = b4 bogies AND Diagram = 185