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_21531764_1 ( employment_area VARCHAR, october_2010 VARCHAR )

### Question ###
Where is the rate 5.7 in October 2010?

### Accurate SQL ###

SELECT employment_area FROM table_21531764_1 WHERE october_2010 = "5.7"