Table: fa_cup_tie_4
Columns: tie_no
home_team
score
away_team
date

Question: What home team has a score of 2–1, when the away team was Telford United?
SQL: SELECT "home_team" FROM fa_cup_tie_4 WHERE "score" = '2–1' AND "away_team" = 'telford united'

Question: What was the score when the way team was Wrexham?
SQL: SELECT "score" FROM fa_cup_tie_4 WHERE "away_team" = 'wrexham'

Question: What is the home team when the Tie no is 1?
SQL: SELECT "home_team" FROM fa_cup_tie_4 WHERE "tie_no" = '1'