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_2889810_2 (country VARCHAR, moto3_125cc VARCHAR)
### Question:
how many country has moto3/125cc with 15
### Answer:
SELECT country FROM table_2889810_2 WHERE moto3_125cc = 15