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 WEEKLY RANK is less than 8, and when Brisbane is greater than 252,000?

### 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 WEEKLY RANK < 8 AND Brisbane > 252,000