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

### Instruction:
What is the smallest area with 45 population?

### Inputs:
table_name: table, columns: ["Island's Name", 'Area (sq mi)', 'Area (km 2 )', 'Location', 'Population (2000)']

### Response:
SELECT MIN Area (km 2 ) FROM table WHERE Population (2000) = 45