user: Question: When the result was L 13-7 OT, who was the opponent?
Columns: ['Week', 'Date', 'Opponent', 'Result', 'Kickoff [a ]', 'Game site', 'Attendance', 'Record']
Types: ['text', 'text', 'text', 'text', 'text', 'text', 'text', 'text']
Sample row: ['Week', 'Date', 'Opponent', 'Result', 'Kickoff [a ]', 'Game site', 'Attendance', 'Record']
SQL:

assistant: SELECT "Opponent" FROM "Table" WHERE "Result" = 'L 13-7 OT';