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

### Instruction:
Who is the original operator for the AG Vulcan builder and the Prinzess Irene ship?

### Inputs:
table_name: table, columns: ['Ship', 'Tonnage', 'Builder', 'Original Operator', 'Fate']

### Response:
SELECT Original Operator FROM table WHERE Builder = ag vulcan AND Ship = prinzess irene