human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Name, Case type, Bullet diameter, Neck diameter, Base diameter, Rim diameter, Case length, Cartridge length
###Question: Which Case length has a Rim diameter of 13.20 (.518)?
gpt
SELECT Case length FROM table WHERE Rim diameter = 13.20 (.518)