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

Question: Who built the under grid 6 car with under 49 laps?
SQL: SELECT "constructor" FROM "race" WHERE "grid"<6 AND "laps"<49;

Question: Who built the grid 2 car?
SQL: SELECT "constructor" FROM "race" WHERE "grid"=2;

Question: Who built the car that retired due to suspension before 65 laps?
SQL: SELECT "constructor" FROM "race" WHERE "laps"<65 AND "time_retired"='suspension';