Table: fa_cup_matches_12
Columns: tie_no
home_team
score
away_team
date

Question: Who is the away team when there are 15 ties?
SQL: SELECT "away_team" FROM fa_cup_matches_12 WHERE "tie_no" = '15'

Question: What is the score when Darlington is the home team?
SQL: SELECT "score" FROM fa_cup_matches_12 WHERE "home_team" = 'darlington'

Question: What is the number of ties when Altrincham is the home team?
SQL: SELECT "tie_no" FROM fa_cup_matches_12 WHERE "home_team" = 'altrincham'