What-all is the average grid for vehicles manufactured by Aprilia and done ran more than 16 laps?
Rider Manufacturer Laps Time Grid
2008 Indianapolis motorcycle Grand Prix
16194487
text text real text real
2-16194487-2
125cc classification
125cc classification
Nicolas Terol Aprilia 16 29:51.350 6
Pol Espargaro Derbi 16 +1.708 1
Stefan Bradl Aprilia 16 +3.984 3
Scott Redding Aprilia 16 +4.277 9
Sandro Cortese Aprilia 16 +4.413 10
Marc Marquez KTM 16 +4.454 13
Simone Corsi Aprilia 16 +6.261 7
Bradley Smith Aprilia 16 +7.782 11
Steve Bonsey Aprilia 16 +12.035 15
Mike Di Meglio Derbi 16 +12.251 2
Dominique Aegerter Derbi 16 +15.465 8
Joan Olivé Derbi 16 +18.312 12
Raffaele De Rosa KTM 16 +20.137 17
Gabor Talmacsi Aprilia 16 +24.651 16
Danny Webb Aprilia 16 +27.592 4
Jules Cluzel Loncin 16 +35.432 31
Robin Lasser Aprilia 16 +37.082 22
Sergio Gadea Aprilia 16 +38.549 23
Tomoyoshi Koyama KTM 16 +38.571 18
Efren Vazquez Aprilia 16 +40.991 24
Hugo Van Den Berg Aprilia 16 +1:06.197 30
PJ Jacobsen Aprilia 16 +1:06.327 25
Bastien Chesaux Aprilia 16 +1:07.067 34
Jonas Folger Aprilia 16 +1:14.709 29
Robert Muresan Aprilia 16 +1:20.413 32
Alexis Masbou Loncin 16 +1:21.880 27
Davide Stirpe KTM 16 +1:22.026 33
Cyril Carrillo Honda 16 +1:22.159 35
Kristian Lee Turner Aprilia 16 +2:11.524 36
Lorenzo Zanetti KTM 13 Retirement 28
Marco Ravaioli Aprilia 10 Accident 26
Pablo Nieto KTM 9 Retirement 20
Michael Ranseder Aprilia 7 Accident 19
Takaaki Nakagami Aprilia 6 Accident 14
Andrea Iannone Aprilia 5 Retirement 5
Esteve Rabat KTM 2 Accident 21
SELECT AVG Grid FROM table WHERE Manufacturer = aprilia AND Laps > 16
aprilia 16