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

### Instruction:
What is the lowest value for Sydney, when Perth is less than 169,000, and when NIGHTLY RANK is less than 5?

### Inputs:
table_name: table, columns: ['Episode number Production number', 'Title', 'Sydney', 'Melbourne', 'Brisbane', 'Adelaide', 'Perth', 'TOTAL', 'WEEKLY RANK', 'NIGHTLY RANK']

### Response:
SELECT MIN Sydney FROM table WHERE Perth < 169,000 AND NIGHTLY RANK < 5