CREATE TABLE table_8318 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" CLOB)

What was the Opponent before Week 11 with an Attendance of 63,571?
SELECT "Opponent" FROM table_8318 WHERE "Week" < '11' AND "Attendance" = '63,571'
SELECT "Opponent" FROM "table_8318" WHERE "Attendance" = '63,571' AND "Week" < '11'