user: Question: For the EnerNOC Australia Pty Ltd, what's the country with an Unknown date?
Columns: ['Date', 'Company', 'Business', 'Country', 'Value ( USD )']
Types: ['text', 'text', 'text', 'text', 'text']
Sample row: ['Unknown', 'Celerity Energy Partners San Diego LLC', 'Energy', 'United States', 'Unknown']
SQL:

assistant: SELECT "Country" FROM "Table" WHERE "Date" = 'Unknown' AND "Company" = 'EnerNOC Australia Pty Ltd';