user: ### NOW ANSWER:
Question: what is the silver when the nation is japan and the total is less than 1?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'South Korea', 8.0, 0.0, 4.0, 12.0]
SQL:

assistant: SELECT SUM("Silver") FROM "Table" WHERE "Nation" = 'japan' AND "Total" < 1.0;