CREATE TABLE table_11906 ("Week" CLOB, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Kickoff [a ]" CLOB, "Game site" CLOB, "Attendance" CLOB, "Record" CLOB)

When the result was l 13-7 ot, who was the opponent?
SELECT "Opponent" FROM table_11906 WHERE "Result" = 'l 13-7 ot'
SELECT "Opponent" FROM "table_11906" WHERE "Result" = 'l 13-7 ot'