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 |
| --- | --- | --- | --- | --- |
| Nelson Piquet | Brabham - BMW | 53.0 | 1:31:46.266 | 5.0 |
| Keke Rosberg | Williams - Honda | 53.0 | + 6.660 | 1.0 |
| Alain Prost | McLaren - TAG | 53.0 | + 9.285 | 4.0 |
| Stefan Johansson | Ferrari | 53.0 | + 53.491 | 16.0 |
| Elio de Angelis | Lotus - Renault | 53.0 | + 53.690 | 7.0 |
| Patrick Tambay | Renault | 53.0 | + 1:15.167 | 10.0 |
| Derek Warwick | Renault | 53.0 | + 1:44.212 | 11.0 |
| Marc Surer | Brabham - BMW | 52.0 | + 1 Lap | 14.0 |
| Thierry Boutsen | Arrows - BMW | 52.0 | + 1 Lap | 12.0 |
| Eddie Cheever | Alfa Romeo | 52.0 | + 1 Lap | 18.0 |
| Riccardo Patrese | Alfa Romeo | 52.0 | + 1 Lap | 17.0 |
| Manfred Winkelhock | RAM - Hart | 50.0 | + 3 Laps | 20.0 |
| Stefan Bellof | Tyrrell - Ford | 50.0 | + 3 Laps | 26.0 |
| Teo Fabi | Toleman - Hart | 49.0 | Fuel System | 19.0 |
| Piercarlo Ghinzani | Osella - Alfa Romeo | 49.0 | + 4 Laps | 24.0 |
| Martin Brundle | Tyrrell - Renault | 32.0 | Gearbox | 21.0 |
| Niki Lauda | McLaren - TAG | 30.0 | Gearbox | 6.0 |
| Ayrton Senna | Lotus - Renault | 26.0 | Engine, accident | 2.0 |
| Gerhard Berger | Arrows - BMW | 20.0 | Accident | 9.0 |
| Pierluigi Martini | Minardi - Motori Moderni | 19.0 | Accident | 25.0 |
| Philippe Alliot | RAM - Hart | 8.0 | Fuel System | 23.0 |
| Jonathan Palmer | Zakspeed | 6.0 | Engine | 22.0 |
| Michele Alboreto | Ferrari | 5.0 | Turbo | 3.0 |
| Andrea de Cesaris | Ligier - Renault | 4.0 | Steering | 13.0 |
| Jacques Laffite | Ligier - Renault | 2.0 | Turbo | 15.0 |
| Nigel Mansell | Williams - Honda | 0.0 | Injury | 8.0 |
Question:
How many laps did riccardo patrese do when he had a time/retird of + 1 lap?
Answer:
1.0