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

### Instruction:
What is the maximum torque at rpm for the engine coded BJB/BKC/BXE/BLS?

### Inputs:
table_name: table, columns: ['engine name', 'engine code(s)', 'valvetrain', 'displacement', 'max. power at rpm', 'max. torque at rpm']

### Response:
SELECT max. torque at rpm FROM table WHERE engine code(s) = bjb/bkc/bxe/bls