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 | scuderia volpini | arzani - volpini | maserati straight - 4 | 0 |
| 1956 | officine alfieri maserati | maserati 250f | maserati straight - 6 | 0 |
| 1956 | luigi piotti | maserati 250f | maserati straight - 6 | 0 |
| 1957 | luigi piotti | maserati 250f | maserati straight - 6 | 0 |
| 1958 | automobili osca | osca | osca straight - 4 | 0 |
Title:
luigi piotti
Statement:
the sum of points for chassis of maserati 250f with an entrant of officine alfieri maserati is 0
Answer:
supported