CREATE TABLE "classification" (
  "driver" text,
  "constructor" text,
  "laps" real,
  "time_retired" text,
  "grid" real
);

Question: When the driver is Juan Manuel Fangio and laps is less than 39, what is the highest grid?
SQL: SELECT MAX("grid") FROM "classification" WHERE "laps"<39 AND "driver"='juan manuel fangio';

Question: When grid is less than 7, laps are greater than 17, and time/retired is + 1:35.6, who is the constructor?
SQL: SELECT "constructor" FROM "classification" WHERE "laps">17 AND "grid"<7 AND "time_retired"='+ 1:35.6';

Question: What was the smallest grid for Prince bira?
SQL: SELECT MIN("grid") FROM "classification" WHERE "driver"='prince bira';