Table: fa_cup_matches_23
Columns: tie_no
home_team
score
away_team
attendance

Question: What was the tie no when the away team was northwich victoria?
SQL: SELECT "tie_no" FROM fa_cup_matches_23 WHERE "away_team" = 'northwich victoria'

Question: What was the attendance for the match where cambridge united was the home team?
SQL: SELECT "attendance" FROM fa_cup_matches_23 WHERE "home_team" = 'cambridge united'