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

### Instruction:
Which Wheels has Built smaller than 1958, a Location of york, and a Railway of nsr?

### Inputs:
table_name: table, columns: ['Railway', 'Builder', 'Built', 'Wheels', 'Location', 'ObjectNumber']

### Response:
SELECT Wheels FROM table WHERE Built < 1958 AND Location = york AND Railway = nsr