Question: Which round has an Opposing Team of Manchester United?
SQL: SELECT "Round" FROM "2-18997174-2" WHERE "Opposing Team" = 'Manchester United';

Question: Which Date has an Against larger than 0?
SQL: SELECT "Date" FROM "2-18997174-2" WHERE "Against" > 0.0;

Question: Which Against has a Round of Fourth round?
SQL: SELECT MIN("Against") FROM "2-18997174-2" WHERE "Round" = 'Fourth round';

Question: What was the venue on 17/02/2008?
SQL: SELECT "Venue" FROM "2-18997174-2" WHERE "Date" = '17/02/2008';