CREATE TABLE table_name_81 (attendance INT, week VARCHAR, opponent VARCHAR)

what is the average attendance when the week is higher than 5 and the opponent is washington redskins?
SELECT AVG(attendance) FROM table_name_81 WHERE week > 5 AND opponent = "washington redskins"
SELECT AVG("attendance") FROM "table_name_81" WHERE "opponent" = "washington redskins" AND "week" > 5