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

### Instruction:
What is the sum number of Pl GP when the Reg GP was 0, the Rd number was bigger than 8, and the pick number was bigger than 146?

### Inputs:
table_name: table, columns: ['Rd #', 'Pick #', 'Player', 'Reg GP', 'Pl GP']

### Response:
SELECT COUNT Pl GP FROM table WHERE Reg GP = 0 AND Rd # > 8 AND Pick # > 146