Table: afc_champions_league_matches
Columns: year
home_team
score
away_team
venue

Question: Which Away team has a Score of 4–2?
SQL: SELECT "away_team" FROM afc_champions_league_matches WHERE "score" = '4–2'

Question: Which Home team has an Away team of al-ain fc, and a Year of 2002/03?
SQL: SELECT "home_team" FROM afc_champions_league_matches WHERE "away_team" = 'al-ain fc' AND "year" = '2002/03'

Question: Which Home team has a Year of 2002/03, and a Venue of tahnoun bin mohamed stadium?
SQL: SELECT "home_team" FROM afc_champions_league_matches WHERE "year" = '2002/03' AND "venue" = 'tahnoun bin mohamed stadium'

Question: Which Away team has a Home team of al-ain fc, and a Score of 1–1?
SQL: SELECT "away_team" FROM afc_champions_league_matches WHERE "home_team" = 'al-ain fc' AND "score" = '1–1'