CREATE TABLE table_6679 ("Week" FLOAT, "Date" CLOB, "Opponent" CLOB, "Result" CLOB, "Venue" CLOB, "Attendance" FLOAT)

Who was the opponent at the game with a result of w 20-17?
SELECT "Opponent" FROM table_6679 WHERE "Result" = 'w 20-17'
SELECT "Opponent" FROM "table_6679" WHERE "Result" = 'w 20-17'