CREATE TABLE table_37241 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Venue" TEXT, "Attendance" FLOAT)

Attendance of 48,510 had what highest week?
SELECT MAX("Week") FROM table_37241 WHERE "Attendance" = '48,510'
SELECT MAX("Week") FROM "table_37241" WHERE "Attendance" = '48,510'