CREATE TABLE table_31972 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Venue" TEXT, "Attendance" FLOAT)

Tell me the highest week for metropolitan stadium for attendance more than 47,644
SELECT MAX("Week") FROM table_31972 WHERE "Venue" = 'metropolitan stadium' AND "Attendance" > '47,644'
SELECT MAX("Week") FROM "table_31972" WHERE "Attendance" > '47,644' AND "Venue" = 'metropolitan stadium'