CREATE TABLE table_10599 ("Week" CLOB, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Kickoff [a ]" CLOB, "Game site" CLOB, "Attendance" CLOB, "Record" CLOB)

Tell me the opponent that had a result of l 27-20
SELECT "Opponent" FROM table_10599 WHERE "Result" = 'l 27-20'
SELECT "Opponent" FROM "table_10599" WHERE "Result" = 'l 27-20'