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_53 ( week INTEGER, opponent VARCHAR, attendance VARCHAR )

### Question ###
What is the highest week for the San Diego Chargers with an attendance that is less than 53,455?

### Accurate SQL ###

SELECT MAX(week) FROM table_name_53 WHERE opponent = "san diego chargers" AND attendance < 53 OFFSET 455