user: 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?
Columns: ['Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['Jamaica', 726.0, 506.0, 327.0, 1559.0]
SQL:

assistant: SELECT SUM("Silver") FROM "Table" WHERE "Gold" > 0.0 AND "Bronze" < 23.0 AND "Total" > 22.0 AND "Nation" = 'saint kitts and nevis';