SELECT entrant FROM table_name_15 WHERE engine = "offenhauser l4" AND year < 1955 AND chassis = "kurtis kraft kk500a" AND points = 9
Peserta mana, dengan mesin L4 Offenhauser dan sasis Kurtis Kraft KK500A, mencetak 9 poin sebelum 1955?
CREATE TABLE table_name_15 (entrant VARCHAR, points VARCHAR, chassis VARCHAR, engine VARCHAR, year VARCHAR)