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_14460937_1 (play_off INTEGER, group_stage VARCHAR)

### Question ###
When the group stage has been 4 what is the largest playoff?

### Accurate SQL ###

SELECT MAX(play_off) FROM table_14460937_1 WHERE group_stage = 4