Table: fa_cup_1977_78
Columns: tie_no
home_team
score
away_team
date

Question: What date has wrexham as the home team?
SQL: SELECT "date" FROM fa_cup_1977_78 WHERE "home_team" = 'wrexham'

Question: What away team has 7 as the tie no.?
SQL: SELECT "away_team" FROM fa_cup_1977_78 WHERE "tie_no" = '7'

Question: What away team has wrexham as the home team?
SQL: SELECT "away_team" FROM fa_cup_1977_78 WHERE "home_team" = 'wrexham'

Question: What home team has 6 as the tie no.?
SQL: SELECT "home_team" FROM fa_cup_1977_78 WHERE "tie_no" = '6'