CREATE TABLE table_15681686_4 (rank__timeslot_ VARCHAR, viewers__millions_ VARCHAR)
SELECT COUNT(rank__timeslot_) FROM table_15681686_4 WHERE viewers__millions_ = "9.38"
อันดับคนดูทั้งหมด 9.38 คือเท่าไร?
what is the total number of rank where viewers is 9.38?