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

### Instruction:
For the Enernoc Australia Pty Ltd, what's the country with an unknown date?

### Inputs:
table_name: table, columns: ['Date', 'Company', 'Business', 'Country', 'Value ( USD )']

### Response:
SELECT Country FROM table WHERE Date = unknown AND Company = enernoc australia pty ltd