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_name_23 ( points_difference VARCHAR, played VARCHAR, points_for VARCHAR )

### Question ###
Which Points difference has Played of 32, and Points for of 840?

### Accurate SQL ###

SELECT points_difference FROM table_name_23 WHERE played = "32" AND points_for = "840"