Give you a statement and table with its title in Markdown format, please determine whether the statement is supported or refuted by, or is unrelated to the table. It'a binary classification problem, you should choose the answer between supported and refuted. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| year | entrant | chassis | engine | points |
| 1955 | sumar / chapman root | kurtis kraft 500d | offenhauser l4 | 0 |
| 1956 | bowes seal fast / bignotti | kurtis kraft 500e | offenhauser l4 | 0 |
| 1957 | bowes seal fast / bignotti | kurtis kraft 500 g | offenhauser l4 | 0 |
| 1958 | bowes seal fast racing | kurtis kraft 500 g | offenhauser l4 | 4 |
| 1959 | bowes seal fast / bignotti | epperly indy roadster | offenhauser l4 | 0 |
| 1960 | bowes seal fast racing | epperly indy roadster | offenhauser l4 | 0 |
Title:
johnny boyd
Statement:
in both 1957 and 1958 , boyd drove cars with an offenhauser 14 engine and a kurtis kraft 500 e chassis
Answer:
refuted