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_18600760_9 (township VARCHAR, longitude VARCHAR)

### Question ###
What township is located at longitude -99.287270?

### Accurate SQL ###

SELECT township FROM table_18600760_9 WHERE longitude = "-99.287270"