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_20 (water__sqmi_ VARCHAR, latitude VARCHAR)

### Question ###
What is the water area (sqmi) for the township at latitude 48.423224?

### Accurate SQL ###

SELECT water__sqmi_ FROM table_18600760_20 WHERE latitude = "48.423224"