Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_166346_1 ( area__km²_ INTEGER, production___bbl__day_ VARCHAR )

### Question ###
What was the minimum area in square kilometers that produced 3,200,000 (12th) bbl/day?

### Accurate SQL ###

SELECT MIN(area__km²_) FROM table_166346_1 WHERE production___bbl__day_ = "3,200,000 (12th)"