Table: fa_cup_match_5
Columns: tie_no
home_team
score
away_team
attendance

Question: What is the Home team with an Away team that is oxford united?
SQL: SELECT "home_team" FROM fa_cup_match_5 WHERE "away_team" = 'oxford united'

Question: What is the Home team with an Away team that is wrexham?
SQL: SELECT "home_team" FROM fa_cup_match_5 WHERE "away_team" = 'wrexham'