Table: fa_cup_matches_47
Columns: tie_no
home_team
score
away_team
date

Question: What is the name of the away team with a Tie no of 7?
SQL: SELECT "away_team" FROM fa_cup_matches_47 WHERE "tie_no" = '7'

Question: What is home team Chelsea's Tie no?
SQL: SELECT "tie_no" FROM fa_cup_matches_47 WHERE "home_team" = 'chelsea'

Question: What away team has a Tie no of 5?
SQL: SELECT "away_team" FROM fa_cup_matches_47 WHERE "tie_no" = '5'