user: ### NOW ANSWER:
Question: Who was the opponent on the date of november 29, 1970 and the attendance was less than 31427?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Attendance']
Types: ['real', 'text', 'text', 'text', 'real']
Sample row: [1.0, 'September 20, 1970', 'Miami Dolphins', 'W 27–14', 32607.0]
SQL:

assistant: SELECT AVG("Week") FROM "Table" WHERE "Date" = 'november 29, 1970' AND "Attendance" < 31427.0;