Table: grand_prix_1957
Columns: driver
constructor
laps
time_retired
grid

Question: What was the grid placement for the Maserati that completed 14 laps?
SQL: SELECT "grid" FROM grand_prix_1957 WHERE "constructor" = 'maserati' AND "laps" = 14

Question: What company built the car driven by Tony Brooks?
SQL: SELECT "constructor" FROM grand_prix_1957 WHERE "driver" = 'tony brooks'