What is the biggest week with an opponent of washington redskins?
CREATE TABLE table_name_18 (week INTEGER, opponent VARCHAR)
SELECT MAX(week) FROM table_name_18 WHERE opponent = "washington redskins"
### Context: CREATE TABLE table_name_18 (week INTEGER, opponent VARCHAR) ### Question: What is the biggest week with an opponent of washington redskins? ### Answer: SELECT MAX(week) FROM table_name_18 WHERE opponent = "washington redskins"