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

### Instruction:
What is the sum of October, when Opponent is "Pittsburgh Penguins"?

### Inputs:
table_name: table, columns: ['Game', 'October', 'Opponent', 'Score', 'Record']

### Response:
SELECT SUM October FROM table WHERE Opponent = pittsburgh penguins