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 | class | team | points | rank | wins |
| 1969 | 125cc | maico | 4 | 40th | 0 |
| 1969 | 250cc | yamaha | 45 | 5th | 0 |
| 1970 | 125cc | maico | 62 | 3rd | 0 |
| 1970 | 250cc | yamaha | 34 | 5th | 0 |
| 1971 | 125cc | maico | 64 | 3rd | 0 |
| 1971 | 250cc | yamaha | 9 | 21st | 0 |
| 1972 | 50cc | jamathi | 10 | 12th | 0 |
| 1972 | 125cc | maico | 78 | 4th | 2 |
| 1972 | 250cc | yamaha | 36 | 8th | 1 |
| 1973 | 125cc | maico | 64 | 4th | 1 |
| 1973 | 250cc | yamaha | 12 | 18th | 0 |
Title:
börje jansson
Statement:
1971 was the earliest year that the yamaha team ranked 21 with less than 45 points
Answer:
supported