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

### Instruction:
what is the lowest number of sites when the headquarters are in columbus, ga and the rank is smaller than 4?

### Inputs:
table_name: table, columns: ['Rank', 'Circuit', 'Headquarters', 'Screens', 'Sites']

### Response:
SELECT MIN Sites FROM table WHERE Headquarters = columbus, ga AND Rank < 4