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

### Instruction:
In 1879-81 with number built 4, what is the LMS nos?

### Inputs:
table_name: table, columns: ['Class', 'Date', 'Builder', 'No. built', '1919 nos.', 'LMS Class', 'LMS nos.']

### Response:
SELECT LMS nos. FROM table WHERE Date = 1879-81 AND No. built = 4