Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_50170 ( "Cartridge" text, "Bullet weight" text, "Muzzle velocity" text, "Muzzle energy" text, "Max pressure" text )

### Question ###
What is the muzzle velocity for the .38 long colt cartridge?

### Accurate SQL ###

SELECT "Muzzle velocity" FROM table_50170 WHERE "Cartridge" = '.38 long colt'