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

### Instruction:
What is Score, when Visitor is "Pittsburgh", and when Points is greater than 18?

### Inputs:
table_name: table, columns: ['Date', 'Visitor', 'Score', 'Home', 'Attendance', 'Record', 'Points']

### Response:
SELECT Score FROM table WHERE Visitor = pittsburgh AND Points > 18