CREATE TABLE table_name_28 (no_5 VARCHAR(255), no_9 VARCHAR(255), no_6 VARCHAR(255), no_4 VARCHAR(255))
Name the No. 5 which has a No. 6 of ethan, and a No. 4 of william, and a No. 9 of john?
    
SQL: SELECT no_5 FROM table_name_28 WHERE no_6 = "ethan" AND no_4 = "william" AND no_9 = "john"