Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
what is the sum of bronze when the rank is 5, the nation is poland and gold is less than 0?

### Inputs:
table_name: table, columns: ['Rank', 'Nation', 'Gold', 'Silver', 'Bronze', 'Total']

### Response:
SELECT SUM Bronze FROM table WHERE Rank = 5 AND Nation = poland AND Gold < 0