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_21258_1 (natural_increase VARCHAR, births VARCHAR)
### Question:
where births is 388 000 how many number is natural increase
### Answer:
SELECT COUNT(natural_increase) FROM table_21258_1 WHERE births = "388 000"