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_99 (wins INTEGER, class VARCHAR, points VARCHAR)

### Question ###
Which Wins is the highest one that has a Class of 500cc, and Points smaller than 6?

### Accurate SQL ###

SELECT MAX(wins) FROM table_name_99 WHERE class = "500cc" AND points < 6