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

### Instruction:
What is the smallest area that has a Population Density of 3,216 and a Population larger than 16,650,000?

### Inputs:
table_name: table, columns: ['Rank', 'Metropolitan area', 'Country', 'Population', 'Area (km²)', 'Population Density (People/km²)']

### Response:
SELECT MIN Area (km²) FROM table WHERE Population Density (People/km²) = 3,216 AND Population > 16,650,000