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 |
| --- | --- | --- | --- | --- |
| Eddie Irvine | Ferrari | 71.0 | 1:28:12.438 | 3.0 |
| David Coulthard | McLaren - Mercedes | 71.0 | +0.313 | 2.0 |
| Mika Häkkinen | McLaren - Mercedes | 71.0 | +22.282 | 1.0 |
| Heinz-Harald Frentzen | Jordan - Mugen-Honda | 71.0 | +52.803 | 4.0 |
| Alexander Wurz | Benetton - Playlife | 71.0 | +1:06.358 | 10.0 |
| Pedro Diniz | Sauber - Petronas | 71.0 | +1:10.933 | 16.0 |
| Jarno Trulli | Prost - Peugeot | 70.0 | +1 Lap | 13.0 |
| Damon Hill | Jordan - Mugen-Honda | 70.0 | +1 Lap | 11.0 |
| Mika Salo | Ferrari | 70.0 | +1 Lap | 7.0 |
| Olivier Panis | Prost - Peugeot | 70.0 | +1 Lap | 18.0 |
| Marc Gené | Minardi - Ford | 70.0 | +1 Lap | 22.0 |
| Giancarlo Fisichella | Benetton - Playlife | 68.0 | Engine | 12.0 |
| Luca Badoer | Minardi - Ford | 68.0 | +3 Laps | 19.0 |
| Johnny Herbert | Stewart - Ford | 67.0 | +4 Laps | 6.0 |
| Ricardo Zonta | BAR - Supertec | 63.0 | Clutch | 15.0 |
| Rubens Barrichello | Stewart - Ford | 55.0 | Engine | 5.0 |
| Jean Alesi | Sauber - Petronas | 49.0 | Out of fuel | 17.0 |
| Pedro de la Rosa | Arrows | 38.0 | Spun off | 21.0 |
| Alessandro Zanardi | Williams - Supertec | 35.0 | Out of fuel | 14.0 |
| Jacques Villeneuve | BAR - Supertec | 34.0 | Halfshaft | 9.0 |
| Toranosuke Takagi | Arrows | 25.0 | Engine | 20.0 |
| Ralf Schumacher | Williams - Supertec | 8.0 | Spun off | 8.0 |
Question:
What Grid has a Time/Retired of clutch?
Answer:
15.0