Table:
text: 1995 Monaco Grand Prix
Race
Race
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

Question: What were driver Jean-Christophe Boullion's laps in the 1995 Monaco Grand Prix?