user: Question: How many Gold medals did puerto rico receive with 1 Silver and a Total of 1 or less?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'United States', 13.0, 7.0, 10.0, 30.0]
SQL:

assistant: SELECT "Gold" FROM "Table" WHERE "Silver" = 1.0 AND "Nation" = 'puerto rico' AND "Total" < 1.0;