CREATE TABLE table_71611 ("Date" TEXT, "Company" TEXT, "Business" TEXT, "Country" TEXT, "Value  (  USD  ) " TEXT)

In New Zealand, what's the value that has an unknown date and is an energy business?
SELECT "Value ( USD )" FROM table_71611 WHERE "Date" = 'unknown' AND "Business" = 'energy' AND "Country" = 'new zealand'
SELECT "Value ( USD )" FROM "table_71611" WHERE "Business" = 'energy' AND "Country" = 'new zealand' AND "Date" = 'unknown'