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_15909409_2 (country VARCHAR, total_freshwater_withdrawal__km_3__yr_ VARCHAR)
### Question:
In how many countries was the total freshwater withdrawal (km 3 /yr) 169.39?
### Answer:
SELECT COUNT(country) FROM table_15909409_2 WHERE total_freshwater_withdrawal__km_3__yr_ = "169.39"