Table: grand_prix_1953_2
Columns: driver
constructor
laps
time_retired
grid

Question: what is the grid when the driver is louis rosier and the laps is more than 78?
SQL: SELECT MIN("grid") FROM grand_prix_1953_2 WHERE "driver" = 'louis rosier' AND "laps" > 78

Question: what is the time/retired when the driver is toulo de graffenried?
SQL: SELECT "time_retired" FROM grand_prix_1953_2 WHERE "driver" = 'toulo de graffenried'

Question: what is the laps when the driver is tony rolt and the grid is less than 10?
SQL: SELECT SUM("laps") FROM grand_prix_1953_2 WHERE "driver" = 'tony rolt' AND "grid" < 10

Question: what is the time/retired when the constructor is maserati and the laps is 90?
SQL: SELECT "time_retired" FROM grand_prix_1953_2 WHERE "constructor" = 'maserati' AND "laps" = 90