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

### Instruction:
What is the sum of Weeks on Top for the Volume:Issue 34:9-12?

### Inputs:
table_name: table, columns: ['Volume:Issue', 'Issue Date(s)', 'Weeks on Top', 'Song', 'Artist']

### Response:
SELECT SUM Weeks on Top FROM table WHERE Volume:Issue = 34:9-12