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:
| driver | constructor | laps | time / retired | grid |
| jackie stewart | matra - ford | 90 | 2:06:42.08 | 2 |
| jo siffert | lotus - ford | 90 | + 24.52 | 10 |
| chris amon | ferrari | 90 | + 30.51 | 4 |
| denny hulme | mclaren - ford | 90 | + 37.16 | 7 |
| jacky ickx | brabham - ford | 90 | + 37.67 | 5 |
| jack brabham | brabham - ford | 90 | + 1:10.81 | 8 |
| graham hill | lotus - ford | 88 | + 2 laps | 3 |
| jean - pierre beltoise | matra - ford | 87 | + 3 laps | 11 |
| john surtees | brm | 87 | + 3 laps | 12 |
| vic elford | mclaren - ford | 84 | + 6 laps | 15 |
| silvio moser | brabham - ford | 54 | ignition | 14 |
| bruce mclaren | mclaren - ford | 24 | suspension | 6 |
| jochen rindt | lotus - ford | 16 | halfshaft | 1 |
| piers courage | brabham - ford | 12 | clutch | 9 |
| jackie oliver | brm | 9 | gearbox | 13 |
Title:
1969 dutch grand prix
Statement:
there are eight drivers with a first name that starts with the letter j
Answer:
supported