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 |
| --- | --- | --- | --- | --- |
| Michael Schumacher | Benetton - Renault | 78 | 1:53:11.258 | 2 |
| Damon Hill | Williams - Renault | 78 | +34.817 | 1 |
| Gerhard Berger | Ferrari | 78 | +1:11.447 | 4 |
| Johnny Herbert | Benetton - Renault | 77 | +1 Lap | 7 |
| Mark Blundell | McLaren - Mercedes | 77 | +1 Lap | 10 |
| Heinz-Harald Frentzen | Sauber - Ford | 76 | +2 Laps | 14 |
| Pierluigi Martini | Minardi - Ford | 76 | +2 Laps | 18 |
| Jean-Christophe Boullion | Sauber - Ford | 74 | Spun off | 19 |
| Gianni Morbidelli | Footwork - Hart | 74 | +4 Laps | 13 |
| Pedro Diniz | Forti - Ford | 72 | +6 Laps | 22 |
| Luca Badoer | Minardi - Ford | 68 | Suspension | 16 |
| Olivier Panis | Ligier - Mugen-Honda | 65 | Spun off | 12 |
| Mika Salo | Tyrrell - Yamaha | 63 | Gearbox | 17 |
| Rubens Barrichello | Jordan - Peugeot | 60 | Throttle | 11 |
| Bertrand Gachot | Pacific - Ford | 42 | Gearbox | 21 |
| Jean Alesi | Ferrari | 41 | Spun off | 5 |
| Martin Brundle | Ligier - Mugen-Honda | 40 | Spun off | 8 |
| Taki Inoue | Footwork - Hart | 27 | Gearbox | 26 |
| Ukyo Katayama | Tyrrell - Yamaha | 26 | Spun off | 15 |
| Andrea Montermini | Pacific - Ford | 23 | Disqualified | 25 |
| Eddie Irvine | Jordan - Peugeot | 22 | Spun off | 9 |
| David Coulthard | Williams - Renault | 16 | Gearbox | 3 |
| Roberto Moreno | Forti - Ford | 9 | Brakes | 24 |
| Mika Häkkinen | McLaren - Mercedes | 8 | Engine | 6 |
| Jos Verstappen | Simtek - Ford | 0 | Gearbox | 23 |
| Domenico Schiattarella | Simtek - Ford | 0 | Damage | 20 |
| Source: | Source: | Source: | Source: | Source: |
Question:
What were the laps of driver Jean-Christophe Boullion?
Answer:
74.0