CREATE TABLE table_name_15 (entrant VARCHAR(255), points VARCHAR(255), chassis VARCHAR(255), engine VARCHAR(255), year VARCHAR(255))
Which entrant, with an Offenhauser L4 engine and a Kurtis Kraft KK500A chassis, scored 9 points before 1955?
    
SQL: SELECT entrant FROM table_name_15 WHERE engine = "offenhauser l4" AND year < 1955 AND chassis = "kurtis kraft kk500a" AND points = 9