CREATE TABLE table_40859 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Attendance" CLOB)

What Opponent has an Attendance that is 26,880?
SELECT "Opponent" FROM table_40859 WHERE "Attendance" = '26,880'
SELECT "Opponent" FROM "table_40859" WHERE "Attendance" = '26,880'