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_28697228_4 ( total_offense INTEGER, opponent VARCHAR )

### Question ###
What is the number of total offense when the opponentis Penn State?

### Accurate SQL ###

SELECT MAX(total_offense) FROM table_28697228_4 WHERE opponent = "Penn State"