Table: us_gp_1966
Columns: driver
constructor
laps
time_retired
grid

Question: What is the average laps for lorenzo bandini with a grid under 3?
SQL: SELECT AVG("laps") FROM us_gp_1966 WHERE "driver" = 'lorenzo bandini' AND "grid" < 3

Question: What driver has under 53 laps, a grid smaller than 14, and a time/retired of differential?
SQL: SELECT "driver" FROM us_gp_1966 WHERE "laps" < 53 AND "grid" < 14 AND "time_retired" = 'differential'