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

### Instruction:
What's the Elevator that has Elevated: 1378, September 18, an Order of Cardinal-Priest, and an Elector of Poncello Orsini?

### Inputs:
table_name: table, columns: ['Elector', 'Order', 'Title', 'Elevated', 'Elevator']

### Response:
SELECT Elevator FROM table WHERE Elevated = 1378, september 18 AND Order = cardinal-priest AND Elector = poncello orsini