What is the muzzle velocity for the .38 long colt cartridge?
CREATE TABLE "38_comparisons" (
  "cartridge" text,
  "bullet_weight" text,
  "muzzle_velocity" text,
  "muzzle_energy" text,
  "max_pressure" text
);
SELECT "muzzle_velocity" FROM "38_comparisons" WHERE "cartridge"='.38 long colt';