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_19149550_9 ( rank VARCHAR, total_asian_population VARCHAR )

### Question ###
How many boroughs with different ranks have a total Asian population of 33338?

### Accurate SQL ###

SELECT COUNT(rank) FROM table_19149550_9 WHERE total_asian_population = 33338