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

### Instruction:
Which B Score has a Total larger than 15.325, and an A Score smaller than 6.4?

### Inputs:
table_name: table, columns: ['Position', 'Gymnast', 'A Score', 'B Score', 'Total']

### Response:
SELECT SUM B Score FROM table WHERE Total > 15.325 AND A Score < 6.4