Where is the PPP 23164 million ?
CREATE TABLE table_25586 (
    "Region ( NUTS 2006)" text,
    "Total (million \u20ac )" text,
    "\u20ac per capita (2005)" real,
    "PPP (million \u20ac)" real,
    "PPP \u20ac per capita" real,
    "% of EU average GDP (PPP)" text
)
SELECT "Region ( NUTS 2006)" FROM table_25586 WHERE "PPP (million \u20ac)" = '23164'
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: Where is the PPP 23164 million ? ### Input: CREATE TABLE table_25586 (
    "Region ( NUTS 2006)" text,
    "Total (million \u20ac )" text,
    "\u20ac per capita (2005)" real,
    "PPP (million \u20ac)" real,
    "PPP \u20ac per capita" real,
    "% of EU average GDP (PPP)" text
) ### Response: SELECT "Region ( NUTS 2006)" FROM table_25586 WHERE "PPP (million \u20ac)" = '23164'