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 |
| --- | --- | --- | --- | --- |
| Alberto Ascari | Ferrari | 90.0 | 2:53:28.5 | 1.0 |
| Nino Farina | Ferrari | 90.0 | + 40.1 | 2.0 |
| Luigi Villoresi | Ferrari | 90.0 | + 1:34.4 | 4.0 |
| Mike Hawthorn | Cooper - Bristol | 88.0 | + 2 laps | 3.0 |
| Robert Manzon | Gordini | 87.0 | + 3 laps | 8.0 |
| Maurice Trintignant | Gordini | 87.0 | + 3 laps | 5.0 |
| Duncan Hamilton | HWM - Alta | 85.0 | + 5 laps | 10.0 |
| Lance Macklin | HWM - Alta | 84.0 | + 6 laps | 9.0 |
| Chico Landi Jan Flinterman | Maserati | 83.0 | + 7 laps | 16.0 |
| Ken Wharton | Frazer-Nash - Bristol | 76.0 | Wheel bearing | 7.0 |
| Stirling Moss | ERA | 73.0 | Engine | 18.0 |
| Dries van der Lof | HWM - Alta | 70.0 | Not Classified | 14.0 |
| Ken Downing | Connaught - Lea-Francis | 27.0 | Oil pressure | 13.0 |
| Charles de Tornaco | Ferrari | 19.0 | Engine | 17.0 |
| Paul Frère | Simca-Gordini - Gordini | 15.0 | Clutch | 11.0 |
| Jean Behra | Gordini | 10.0 | Electrical | 6.0 |
| Jan Flinterman | Maserati | 7.0 | Differential | 15.0 |
| Gino Bianco | Maserati | 4.0 | Axle | 12.0 |
Question:
I want the lowest Laps for time/retired of engine and driver of charles de tornaco
Answer:
19.0