human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Type, Zinc–carbon, Alkaline, Li-FeS 2, NiCd, NiMH
###Question: What is Li-FeS 2, when Type is Nominal Voltage?
gpt
SELECT Li-FeS 2 FROM table WHERE Type = nominal voltage