CREATE TABLE table_37985 ("Week" FLOAT, "Date" TEXT, "Opponent" TEXT, "Result" TEXT, "Venue" TEXT, "Attendance" FLOAT)

Who was the opponent after week 9 with over 49,221 attending, and a Result of w 38-20?
SELECT "Opponent" FROM table_37985 WHERE "Week" > '9' AND "Attendance" > '49,221' AND "Result" = 'w 38-20'
SELECT "Opponent" FROM "table_37985" WHERE "Attendance" > '49,221' AND "Result" = 'w 38-20' AND "Week" > '9'