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_39 (conceded INTEGER, losses VARCHAR, points VARCHAR, team VARCHAR)

### Question ###
Which Conceded is the highest one that has Points larger than 17, and a Team of guaraní, and Losses smaller than 6?

### Accurate SQL ###

SELECT MAX(conceded) FROM table_name_39 WHERE points > 17 AND team = "guaraní" AND losses < 6