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

### Instruction:
Which Rank has a Nation of china (chn), and a Bronze smaller than 4?

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

### Response:
SELECT MAX Rank FROM table WHERE Nation = china (chn) AND Bronze < 4