For the Enernoc Australia Pty Ltd, what's the country with an unknown date?
CREATE TABLE table_71615 (
    "Date" text,
    "Company" text,
    "Business" text,
    "Country" text,
    "Value ( USD )" text
)
SELECT "Country" FROM table_71615 WHERE "Date" = 'unknown' AND "Company" = 'enernoc australia pty ltd'
Below are sql tables schemas paired with instruction that describes a task. Using valid SQLite, write a response that appropriately completes the request for the provided tables. ### Instruction: For the Enernoc Australia Pty Ltd, what's the country with an unknown date? ### Input: CREATE TABLE table_71615 (
    "Date" text,
    "Company" text,
    "Business" text,
    "Country" text,
    "Value ( USD )" text
) ### Response: SELECT "Country" FROM table_71615 WHERE "Date" = 'unknown' AND "Company" = 'enernoc australia pty ltd'