CREATE TABLE table_50170 ("Cartridge" TEXT, "Bullet weight" TEXT, "Muzzle velocity" TEXT, "Muzzle energy" TEXT, "Max pressure" TEXT)

What is the muzzle velocity for the .38 long colt cartridge?
SELECT "Muzzle velocity" FROM table_50170 WHERE "Cartridge" = '.38 long colt'
SELECT "Muzzle velocity" FROM "table_50170" WHERE "Cartridge" = '.38 long colt'