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

### Instruction:
At south station what was the total rank when boarding and deboardings were smaller than 1,360,162?

### Inputs:
table_name: table, columns: ['Rank', 'Station', 'City', 'State', 'Boardings and deboardings']

### Response:
SELECT SUM Rank FROM table WHERE Station = south station AND Boardings and deboardings < 1,360,162