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

### Instruction:
Tell me the lowest date commissioned for iron rmsrhone and gross tonnage less than 2,738

### Inputs:
table_name: table, columns: ['Ship', 'Date Commissioned', 'Gross Tonnage', 'Propulsion', 'Material']

### Response:
SELECT MIN Date Commissioned FROM table WHERE Material = iron AND Ship = rmsrhone AND Gross Tonnage < 2,738