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_25668203_2 (fastest_lap VARCHAR, rnd VARCHAR)
### Question:
How many races went for 10 rounds?
### Answer:
SELECT COUNT(fastest_lap) FROM table_25668203_2 WHERE rnd = "10"