Table: race_results_48
Columns: driver
constructor
laps
time_retired
grid

Question: Tell me the Laps for time/retired of +1:08.491
SQL: SELECT "laps" FROM race_results_48 WHERE "time_retired" = '+1:08.491'

Question: Tell me the highest laps for toyota and grid of 13
SQL: SELECT MAX("laps") FROM race_results_48 WHERE "constructor" = 'toyota' AND "grid" = 13

Question: I want the Driver with Laps of 20
SQL: SELECT "driver" FROM race_results_48 WHERE "laps" = 20

Question: Tell me the sum of Grid for giancarlo fisichella
SQL: SELECT SUM("grid") FROM race_results_48 WHERE "driver" = 'giancarlo fisichella'