What week number saw a w 31-16 result?
CREATE TABLE table_name_21 (week INTEGER, result VARCHAR)
SELECT MIN(week) FROM table_name_21 WHERE result = "w 31-16"
### Context: CREATE TABLE table_name_21 (week INTEGER, result VARCHAR) ### Question: What week number saw a w 31-16 result? ### Answer: SELECT MIN(week) FROM table_name_21 WHERE result = "w 31-16"