CREATE TABLE "1976_engines" (
  "engine" text,
  "horsepower" text,
  "torque" text,
  "carburetor" text,
  "compression_ratio" text,
  "bore_stroke" text,
  "vin_code" text
);

Question: What are the bore & stroke specifications for an engine with 4-barrel carburetor and VIN code of A?
SQL: SELECT "bore_stroke" FROM "1976_engines" WHERE "carburetor"='4-barrel' AND "vin_code"='a';