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

### Instruction:
What is the total rank of Hungary (HUN) when the bronze medals were less than 0?

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

### Response:
SELECT SUM Rank FROM table WHERE Nation = hungary (hun) AND Bronze < 0