Question: What is the Time/Retired when the grid is larger than 9 and Rolf Stommelen is the driver?
SQL: SELECT "Time/Retired" FROM "2-1122554-1" WHERE "Grid" > 9.0 AND "Driver" = 'Rolf Stommelen';

Question: What is the highest number of laps when the Time/Retired is Differential?
SQL: SELECT MAX("Laps") FROM "2-1122554-1" WHERE "Time/Retired" = 'Differential';

Question: Who is the driver when the laps are smaller than 14, the grid is smaller than 16, and the Time/retired is Not classified?
SQL: SELECT "Driver" FROM "2-1122554-1" WHERE "Laps" < 14.0 AND "Grid" < 16.0 AND "Time/Retired" = 'Not classified';

Question: What is the average grid when the laps are smaller than 14 and Reine Wisell is the driver?
SQL: SELECT AVG("Grid") FROM "2-1122554-1" WHERE "Laps" < 14.0 AND "Driver" = 'Reine Wisell';