Table: portsmouth_1993_94_games
Columns: opposing_team
against
date
venue
round

Question: What is the highest Against for a game against Bristol City?
SQL: SELECT MAX("against") FROM portsmouth_1993_94_games WHERE "opposing_team" = 'bristol city'

Question: What was the date of the game against Oxford United?
SQL: SELECT "date" FROM portsmouth_1993_94_games WHERE "opposing_team" = 'oxford united'