Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_name_53 (seating VARCHAR, diagram_no VARCHAR, type VARCHAR)

### Question ###
Which vehicle has a Diagram of 516 or smaller, and a driving motor brake second (dmbs) type.

### Accurate SQL ###

SELECT seating FROM table_name_53 WHERE diagram_no > 516 AND type = "driving motor brake second (dmbs)"