CREATE TABLE table_61265 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Game site" CLOB, "Record" CLOB, "Attendance" FLOAT)

Which team was the opponent on week 15?
SELECT "Opponent" FROM table_61265 WHERE "Week" = '15'
SELECT "Opponent" FROM "table_61265" WHERE "Week" = '15'