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_237199_1 ( north_american_brands VARCHAR, world_headquarters VARCHAR )

### Question ###
How many north american brands have world headquarters in sagamihara?

### Accurate SQL ###

SELECT COUNT(north_american_brands) FROM table_237199_1 WHERE world_headquarters = "Sagamihara"