Below is an context that describes a sql query, paired with an question that provides further information. Write an answer that appropriately completes the request.  # noqa: E501
### Context:
CREATE TABLE table_12834315_8 (barrel_twist VARCHAR, barrel_profile VARCHAR)
### Question:
What is the value of barrel twist when the barrel profile is SFW?
### Answer:
SELECT barrel_twist FROM table_12834315_8 WHERE barrel_profile = "SFW"