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_26166836_2 (country VARCHAR, road_race VARCHAR)
### Question:
What's the whole range of united states where road race is ottawa marathon
### Answer:
SELECT COUNT(country) FROM table_26166836_2 WHERE road_race = "Ottawa Marathon"