Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_28345 ( "Road race" text, "Distance" text, "Location" text, "Country" text, "Month held" text )

### Question ###
What's the whole range of united states where road race is ottawa marathon

### Accurate SQL ###

SELECT COUNT("Country") FROM table_28345 WHERE "Road race" = 'Ottawa Marathon'