CREATE TABLE table_37952 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Game site" TEXT, "Attendance" FLOAT)

What week had a lower attendance than 51,423 but was still higher than the other weeks?
SELECT MAX("Week") FROM table_37952 WHERE "Attendance" < '51,423'
SELECT MAX("Week") FROM "table_37952" WHERE "Attendance" < '51,423'