user: Question: What is the highest number of silver when there is 1 bronze and less than 4 golds?
Columns: ['Rank', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['text', 'real', 'real', 'real', 'real']
Sample row: ['1', 4.0, 2.0, 1.0, 7.0]
SQL:

assistant: SELECT MAX("Silver") FROM "Table" WHERE "Bronze" = 1.0 AND "Gold" < 4.0;