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

### Instruction:
What year had an Allison B400R transmission and a model of BRT?

### Inputs:
table_name: table, columns: ['Fleet #', 'Year', 'Manufacture', 'Model', 'Length (ft)', 'Engine', 'Transmission']

### Response:
SELECT Year FROM table WHERE Transmission = Allison B400R AND Model = BRT