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 Addresses ( state_province_county VARCHAR, address_id VARCHAR )
TABLE: CREATE TABLE Staff ( staff_address_id VARCHAR )

### Question ###
List the states which have between 2 to 4 staffs living there.

### Accurate SQL ###

SELECT T1.state_province_county FROM Addresses AS T1 JOIN Staff AS T2 ON T1.address_id = T2.staff_address_id GROUP BY T1.state_province_county HAVING COUNT(*) BETWEEN 2 AND 4