Table: t_1976_south_african_grand
Columns: driver
constructor
laps
time_retired
grid

Question: Name the least Laps for accident and gird more than 13
SQL: SELECT MIN("laps") FROM t_1976_south_african_grand WHERE "time_retired" = 'accident' AND "grid" > 13

Question: Tell me the lowest Grid for engine and driver of emerson fittipaldi with more laps than 70
SQL: SELECT MIN("grid") FROM t_1976_south_african_grand WHERE "time_retired" = 'engine' AND "driver" = 'emerson fittipaldi' AND "laps" > 70