Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Pos | No | Driver | Team | Laps | Time/Retired | Grid | Points |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | 1 | Sébastien Bourdais | Newman/Haas Racing | 76 | 1:39:50.252 | 1 | 34 |
| 2 | 9 | Justin Wilson | RuSPORT | 76 | +3.066 secs | 2 | 29 |
| 3 | 10 | A. J. Allmendinger | RuSPORT | 76 | +14.132 secs | 3 | 25 |
| 4 | 3 | Paul Tracy | Forsythe Racing | 76 | +47.222 secs | 5 | 23 |
| 5 | 15 | Alex Tagliani | Team Australia | 76 | +57.778 secs | 6 | 21 |
| 6 | 7 | Mario Domínguez | Forsythe Racing | 76 | +58.782 secs | 8 | 19 |
| 7 | 27 | Andrew Ranger | Mi-Jack Conquest Racing | 76 | +59.302 secs | 13 | 18 |
| 8 | 6 | Oriol Servià | PKV Racing | 76 | +1:13.956 | 7 | 15 |
| 9 | 19 | Cristiano da Matta | Dale Coyne Racing | 76 | +1:14.958 | 12 | 13 |
| 10 | 2 | Bruno Junqueira | Newman/Haas Racing | 75 | + 1 Lap | 4 | 11 |
| 11 | 5 | Will Power | Team Australia | 75 | + 1 Lap | 9 | 10 |
| 12 | 34 | Charles Zwolsman | Mi-Jack Conquest Racing | 75 | + 1 Lap | 10 | 9 |
| 13 | 14 | Dan Clarke | CTE Racing-HVM | 75 | + 1 Lap | 14 | 9 |
| 14 | 20 | Katherine Legge | PKV Racing | 75 | + 1 Lap | 17 | 7 |
| 15 | 8 | Nicky Pastorelli | Rocketsports Racing | 74 | + 2 Laps | 16 | 6 |
| 16 | 11 | Jan Heylen | Dale Coyne Racing | 71 | + 5 Laps | 11 | 5 |
| 17 | 4 | Nelson Philippe | CTE Racing-HVM | 0 | Contact | 15 | 4 |
Question:
what is the total point difference between the driver who received the most points and the driver who received the least?
Answer:
30