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

### Instruction:
Name the Losing BP of Newport Saracens RFC and has a Lost of 19.

### Inputs:
table_name: table, columns: ['Club', 'Played', 'Drawn', 'Lost', 'Try BP', 'Losing BP']

### Response:
SELECT Losing BP FROM table WHERE Lost = 19 AND Club = newport saracens rfc