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_51 ( played INTEGER, points VARCHAR, goals_conceded VARCHAR )

### Question ###
When goals conceded is greater than 17 with 37 points, what is the greatest played?

### Accurate SQL ###

SELECT MAX(played) FROM table_name_51 WHERE points = 37 AND goals_conceded > 17