human
Considering the provided database schema and associated query, produce SQL code to retrieve the answer to the query. 
###Database Schema: Nation, Gold, Silver, Bronze, Total
###Question: What's the total number of Silver that has Gold that's larger than 0, Bronze that's smaller than 23, a Total that's larger than 22, and has the Nation of Saint Kitts and Nevis?
gpt
SELECT COUNT Silver FROM table WHERE Gold > 0 AND Bronze < 23 AND Total > 22 AND Nation = saint kitts and nevis