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

### Instruction:
What is the third stage that has the first phase of 5,443kg?

### Inputs:
table_name: table, columns: ['Parameter', '1st stage', '2nd stage', '3rd stage', '4th stage']

### Response:
SELECT 3rd stage FROM table WHERE 1st stage = 5,443kg