Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
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?

### Inputs:
table_name: table, columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']

### Response:
SELECT COUNT Week FROM table WHERE Opponent = minnesota vikings AND Attendance < 68,431