user: Question: What is the sum of Against, when Opposing Teams is "South Africa", and when Status is "First Test"?
Columns: ['Opposing Teams', 'Against', 'Date', 'Venue', 'Status']
Types: ['text', 'real', 'text', 'text', 'text']
Sample row: ['Ireland', 18.0, '05/02/2000', 'Twickenham , London', 'Six Nations']
SQL:

assistant: SELECT SUM("Against") FROM "Table" WHERE "Opposing Teams" = 'South Africa' AND "Status" = 'First Test';