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

### Instruction:
Name the total number of roll for st joseph's school when decile is less than 5

### Inputs:
table_name: table, columns: ['Name', 'Years', 'Gender', 'Area', 'Authority', 'Decile', 'Roll']

### Response:
SELECT COUNT Roll FROM table WHERE Name = st joseph's school AND Decile < 5