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

### Instruction:
What is the sum of Against, when Opposing Teams is "South Africa", and when Status is "First Test"?

### Inputs:
table_name: table, columns: ['Opposing Teams', 'Against', 'Date', 'Venue', 'Status']

### Response:
SELECT SUM Against FROM table WHERE Opposing Teams = south africa AND Status = first test