Table: grand_prix_1996
Columns: driver
constructor
laps
time_retired
grid

Question: What were the lowest laps of Tarso Marques?
SQL: SELECT MIN("laps") FROM grand_prix_1996 WHERE "driver" = 'tarso marques'

Question: What's the average Grid for those who spun off after Lap 64?
SQL: SELECT AVG("grid") FROM grand_prix_1996 WHERE "time_retired" = 'spun off' AND "laps" > 64