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_90 (date VARCHAR, week VARCHAR, attendance VARCHAR)

### Question ###
When was the attendance less than 44,851 during the first 4 weeks of the season?

### Accurate SQL ###

SELECT date FROM table_name_90 WHERE week < 4 AND attendance = "44,851"