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_93 (week VARCHAR, opponent VARCHAR, attendance VARCHAR)

### Question ###
For the 1967 Cleveland Browns season what is the total number of times they played the Minnesota Vikings and had an atttendance smaller than 68,431?

### Accurate SQL ###

SELECT COUNT(week) FROM table_name_93 WHERE opponent = "minnesota vikings" AND attendance < 68 OFFSET 431