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_50 (lost INTEGER, goals_against VARCHAR, position VARCHAR)

### Question ###
What is the most losses for positions under 15 and 66 goals against?

### Accurate SQL ###

SELECT MAX(lost) FROM table_name_50 WHERE goals_against = 66 AND position < 15