What the mean number lap when grid is less than 19 and times/retired +21.3 secs?
Driver Team Laps Time/Retired Grid
1999 Honda Indy 300
15894301
text text real text real
2-15894301-2
Race
Race
Dario Franchitti Team Green 65 1:58:40.726 1
Max Papis Team Rahal 65 +2.6 secs 11
Adrián Fernández Patrick Racing 65 +7.4 secs 7
Bryan Herta Team Rahal 65 +10.4 secs 2
Michael Andretti Newman-Haas Racing 65 +10.4 secs 5
Tony Kanaan Forsythe Championship Racing 65 +11.4 secs 8
Paul Tracy Team Green 65 +11.7 secs 4
Robby Gordon Team Gordon 65 +19.9 secs 22
Scott Pruett Arciero-Wells Racing 65 +21.3 secs 3
Gualter Salles Bettenhausen Motorsports 65 +26.1 secs 27
Jan Magnussen Patrick Racing 65 +30.7 secs 19
Michel Jourdain, Jr. Payton/Coyne Racing 65 +33.0 secs 18
Cristiano da Matta Arciero-Wells Racing 63 Mechanical 10
Memo Gidley Payton/Coyne Racing 60 Mechanical 21
Andrea Montermini All American Racers 60 Mechanical 19
Juan Pablo Montoya Chip Ganassi Racing 48 Contact 6
Greg Moore Forsythe Championship Racing 46 Mechanical 12
Jimmy Vasser Chip Ganassi Racing 44 Mechanical 17
Mark Blundell PacWest Racing 33 Contact 23
Naoki Hattori Walker Racing 33 Contact 20
Hélio Castroneves Hogan Racing 28 Mechanical 16
Al Unser, Jr. Team Penske 22 Mechanical 26
Richie Hearn Della Penna Motorsports 21 Mechanical 24
Patrick Carpentier Forsythe Championship Racing 20 Contact 15
Christian Fittipaldi Newman-Haas Racing 3 Fire 13
Maurício Gugelmin PacWest Racing 1 Mechanical 9
Gil de Ferran Walker Racing 0 Contact 14
SELECT AVG Laps FROM table WHERE Grid < 19 AND Time/Retired = +21.3 secs
19 +21.3 secs