CREATE TABLE table_80408 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" CLOB)

What was the date of the game after week 5 against the Houston Oilers?
SELECT "Date" FROM table_80408 WHERE "Week" > '5' AND "Opponent" = 'houston oilers'
SELECT "Date" FROM "table_80408" WHERE "Opponent" = 'houston oilers' AND "Week" > '5'