Table:
text: 1996 Brazilian Grand Prix
Race
Race
Driver Constructor_ Laps Time_Retired Grid
Martin Brundle Jordan - Peugeot 64 Spun off 6
Rubens Barrichello Jordan - Peugeot 59 Spun off 2
Heinz-Harald Frentzen Sauber - Ford 36 Engine 9
David Coulthard McLaren - Mercedes 29 Spun off 14
Johnny Herbert Sauber - Ford 28 Engine 12
Jacques Villeneuve Williams - Renault 26 Spun off 3
Gerhard Berger Benetton - Renault 26 Hydraulics 8
Andrea Montermini Forti - Ford 26 Spun off 20
Ricardo Rosset Footwork - Hart 24 Spun off 17
Jos Verstappen Footwork - Hart 19 Engine 13
Tarso Marques Minardi - Ford 0 Spun off 21

Question: What were Tarso Marques' worst laps in the 1996 Brazilian Grand Prix?

Question: What is the average starting grid for those who moved away after lap 64 of the 1996 Brazilian Grand Prix?