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_22464308_2 (points_classification VARCHAR, stage VARCHAR)

### Question ###
Which points classification has 4 as the stage?

### Accurate SQL ###

SELECT points_classification FROM table_22464308_2 WHERE stage = 4