What is the sum of Against, when Opposing Teams is "South Africa", and when Status is "First Test"?
CREATE TABLE "2000" (
  "opposing_teams" text,
  "against" real,
  "date" text,
  "venue" text,
  "status" text
);
SELECT SUM("against") FROM "2000" WHERE "opposing_teams"='south africa' AND "status"='first test';