Table:
text: 1985 French Grand Prix
Race
Race
Driver Constructor_ Laps Time_Retired Grid
Nelson Piquet Brabham - BMW 53 1:31:46.266 5
Keke Rosberg Williams - Honda 53 + 6.660 1
Alain Prost McLaren - TAG 53 + 9.285 4
Stefan Johansson Ferrari 53 + 53.491 16
Elio de Angelis Lotus - Renault 53 + 53.690 7
Patrick Tambay Renault 53 + 1:15.167 10
Derek Warwick Renault 53 + 1:44.212 11
Marc Surer Brabham - BMW 52 + 1 Lap 14
Thierry Boutsen Arrows - BMW 52 + 1 Lap 12
Eddie Cheever Alfa Romeo 52 + 1 Lap 18
Riccardo Patrese Alfa Romeo 52 + 1 Lap 17

Question: How many laps did Riccardo Patrese complete when he was time/lag +1 lap in the 1985 French Grand Prix?