CREATE TABLE table_58979 ("Week 9 Oct 23" TEXT, "Week 10 Oct 30" TEXT, "Week 11 Nov 6" TEXT, "Week 12 Nov 13" TEXT, "Week 13 Nov 20" TEXT, "Week 14 Nov 27" TEXT, "Week 15  ( Final )  Dec 3" TEXT)

What was Week 15 when Week 12 was Washington (9-1)?
SELECT "Week 15 (Final) Dec 3" FROM table_58979 WHERE "Week 12 Nov 13" = 'washington (9-1)'
SELECT "Week 15 (Final) Dec 3" FROM "table_58979" WHERE "Week 12 Nov 13" = 'washington (9-1)'