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

Question: The driver Jacky Ickx had what time/retired?
SQL: SELECT "time_retired" FROM "classification" WHERE "driver"='jacky ickx';

Question: What is the least number of laps for the driver Jo Siffert?
SQL: SELECT MIN("laps") FROM "classification" WHERE "driver"='jo siffert';

Question: What is the least number of laps for the constructor Ferrari and where the grid number was less than 4?
SQL: SELECT MIN("laps") FROM "classification" WHERE "constructor"='ferrari' AND "grid"<4;

Question: What is the total amount of grid when the laps amount was smaller than 68 and the time/retired was injection?
SQL: SELECT SUM("grid") FROM "classification" WHERE "laps"<68 AND "time_retired"='injection';