Table:
text: 2002 South African motorcycle Grand Prix
250cc classification
250cc classification
Rider Manufacturer Laps Time_Retired Grid
Marco Melandri Aprilia 26 42:52.922 2
Franco Battaini Aprilia 26 +2.962 1
Fonsi Nieto Aprilia 26 +5.213 5
Roberto Rolfo Honda 26 +6.290 3
Roberto Locatelli Aprilia 26 +6.675 7
Randy de Puniet Aprilia 26 +8.102 4
Emilio Alzamora Honda 26 +22.571 11
Sebastián Porto Yamaha 26 +24.171 12
Alex Debón Aprilia 26 +28.161 9
David Checa Aprilia 26 +36.261 14
Naoki Matsudo Yamaha 26 +47.211 10
Jason Vincent Honda 26 +47.886 22
Haruchika Aoki Honda 26 +53.106 13
Dirk Heidolf Aprilia 26 +1:02.767 20
Leon Haslam Honda 26 +1:04.093 18
Toni Elías Aprilia 26 +1:13.435 15

Question: What is the lowest starting grid for Roberto Rolfo in the 250cc classification of the 2002 South African Motorcycle Grand Prix over 26 laps?

Question: What were the highest laps of 2002 at the South African Motorcycle Grand Prix in the 250cc classification for Marco Melandri?