What is the grid total that has a Time/Retired of + 1:33.141, and under 70 laps?
CREATE TABLE "race" (
  "driver" text,
  "constructor" text,
  "laps" real,
  "time_retired" text,
  "grid" real
);
SELECT SUM("grid") FROM "race" WHERE "time_retired"='+ 1:33.141' AND "laps"<70;