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

### Instruction:
How many original Australian performers are there when the Original West End Performer is Jordan Dunne?

### Inputs:
table_name: table, columns: ['Character', 'Original Broadway performer', 'Original Australian performer', 'Original West End performer', '2005 World AIDS Day Benefit Dream Cast']

### Response:
SELECT COUNT Original Australian performer FROM table WHERE Original West End performer = Jordan Dunne