Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_name_85 (area__km²_ VARCHAR, capital VARCHAR, population__2005_ VARCHAR)
### Question:
How many regions have a capital of matanzas and a 2005 population under 670427?
### Answer:
SELECT COUNT(area__km²_) FROM table_name_85 WHERE capital = "matanzas" AND population__2005_ < 670427