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:
| Driver | Constructor | Laps | Time/Retired | Grid |
| --- | --- | --- | --- | --- |
| Mika Häkkinen | McLaren - Mercedes | 69 | 1:38:57.771 | 5 |
| David Coulthard | McLaren - Mercedes | 69 | +1.654 | 6 |
| Jacques Villeneuve | Williams - Renault | 69 | +1.803 | 1 |
| Gerhard Berger | Benetton - Renault | 69 | +1.919 | 8 |
| Eddie Irvine | Ferrari | 69 | +3.789 | 7 |
| Heinz-Harald Frentzen | Williams - Renault | 69 | +4.537 | 3 |
| Olivier Panis | Prost - Mugen-Honda | 69 | +1:07.145 | 9 |
| Johnny Herbert | Sauber - Petronas | 69 | +1:12.961 | 14 |
| Jan Magnussen | Stewart - Ford | 69 | +1:17.487 | 11 |
| Shinji Nakano | Prost - Mugen-Honda | 69 | +1:18.215 | 15 |
| Giancarlo Fisichella | Jordan - Peugeot | 68 | +1 lap | 17 |
| Mika Salo | Tyrrell - Ford | 68 | +1 lap | 21 |
| Jean Alesi | Benetton - Renault | 68 | +1 lap | 10 |
| Norberto Fontana | Sauber - Petronas | 68 | +1 lap | 18 |
| Tarso Marques | Minardi - Hart | 68 | +1 lap | 20 |
| Jos Verstappen | Tyrrell - Ford | 68 | +1 lap | 22 |
| Ukyo Katayama | Minardi - Hart | 68 | +1 lap | 19 |
| Michael Schumacher | Ferrari | 47 | Collision | 2 |
| Damon Hill | Arrows - Yamaha | 47 | Gearbox | 4 |
| Ralf Schumacher | Jordan - Peugeot | 44 | Water leak | 16 |
| Rubens Barrichello | Stewart - Ford | 30 | Gearbox | 12 |
| Pedro Diniz | Arrows - Yamaha | 11 | Spun off | 13 |
| Source: | Source: | Source: | Source: | Source: |
Question:
Which driver had a grid of 18?
Answer:
Norberto Fontana