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_72 (goal_difference INTEGER, played VARCHAR, goals_against VARCHAR, position VARCHAR)

### Question ###
What is the highest Goal Difference when the goals against were less than 76, and the position larger than 5, and a Played larger than 30?

### Accurate SQL ###

SELECT MAX(goal_difference) FROM table_name_72 WHERE goals_against < 76 AND position > 5 AND played > 30