Question: Who constructed Pedro Diniz's car?
SQL: SELECT "Constructor" FROM "2-1123357-2" WHERE "Driver" = 'Pedro Diniz';

Question: What is the grid total for david coulthard with over 45 laps?
SQL: SELECT COUNT("Grid") FROM "2-1123357-2" WHERE "Driver" = 'david coulthard' AND "Laps" > 45.0;