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_16527640_2 ( vfl_club_s_ VARCHAR, vfl_games VARCHAR )

### Question ###
What vfl club(s) did players who played 23 cfl games play for?

### Accurate SQL ###

SELECT vfl_club_s_ FROM table_16527640_2 WHERE vfl_games = 23