Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_46 (lot_no INTEGER, notes VARCHAR, diagram VARCHAR)
### Question:
Name the most lot number with notes of b4 bogies and diagram of 185
### Answer:
SELECT MAX(lot_no) FROM table_name_46 WHERE notes = "b4 bogies" AND diagram = 185