user: Question: What is the total number of bronze medals the u.s. virgin islands, which has less than 0 golds, has?
Columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']
Types: ['real', 'text', 'real', 'real', 'real', 'real']
Sample row: [1.0, 'Cuba', 26.0, 15.0, 16.0, 57.0]
SQL:

assistant: SELECT "Bronze" FROM "Table" WHERE "Nation" = 'u.s. virgin islands' AND "Gold" < 0.0;