Table: isthmian_league_game_2
Columns: tie_no
home_team
score
away_team
attendance

Question: What was the attendance at the Billericay Town home game?
SQL: SELECT "attendance" FROM isthmian_league_game_2 WHERE "home_team" = 'billericay town'

Question: What was the tie number of the away game for Ashford Town (Middx)?
SQL: SELECT "tie_no" FROM isthmian_league_game_2 WHERE "away_team" = 'ashford town (middx)'

Question: What was the attendance at the Billericay Town home game?
SQL: SELECT "attendance" FROM isthmian_league_game_2 WHERE "home_team" = 'billericay town'

Question: Who was the away team at the game attended by 81?
SQL: SELECT "away_team" FROM isthmian_league_game_2 WHERE "attendance" = '81'