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

### Instruction:
When 142900 is the population what is the highest rank?

### Inputs:
table_name: table, columns: ['Rank', 'City/Town', 'County', 'Region/Province', 'Population', 'Country']

### Response:
SELECT MAX Rank FROM table WHERE Population = 142900