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

### Instruction:
Who were the operational owners during the construction date of April 1892?

### Inputs:
table_name: table, columns: ['Serial number', 'Wheel arrangement ( Whyte notation )', 'Build date', 'Operational owner(s)', 'Disposition']

### Response:
SELECT Operational owner(s) FROM table WHERE Build date = April 1892