user: Question: What is the total number of Silver when Bronze was smaller than 1 with a total smaller than 2 in bulgaria?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'text', 'real', 'real', 'real', 'real']
Sample row: ['1', 'Japan', 2.0, 1.0, 3.0, 6.0]
SQL:

assistant: SELECT SUM("Silver") FROM "Table" WHERE "Bronze" < 1.0 AND "Total" < 2.0 AND "Nation" = 'bulgaria';