Table: argentinagrandprix_1974
Columns: driver
constructor
laps
time_retired
grid

Question: In what grid did Richard Robarts make 36 laps?
SQL: SELECT SUM("grid") FROM argentinagrandprix_1974 WHERE "driver" = 'richard robarts' AND "laps" < 36

Question: How many laps were completed in grid 18?
SQL: SELECT SUM("laps") FROM argentinagrandprix_1974 WHERE "grid" = 18