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_76 ( attendance VARCHAR, opponent VARCHAR, week VARCHAR )

### Question ###
What was the total attendance at a game against the Pittsburgh Steelers before week 4?

### Accurate SQL ###

SELECT COUNT(attendance) FROM table_name_76 WHERE opponent = "pittsburgh steelers" AND week < 4