Question: Sum of Cuyo Selection as the opposing team?
SQL: SELECT SUM("Against") FROM "2-17058667-1" WHERE "Opposing Team" = 'Cuyo Selection';

Question: Lowest against for Tour Match on 21 July 1990?
SQL: SELECT MIN("Against") FROM "2-17058667-1" WHERE "Status" = 'Tour Match' AND "Date" = '21 July 1990';