Table: uefa_europa_league_matches
Columns: team_1
agg
team_2
1st_leg
2nd_leg

Question: When Hapoel tel aviv was team 2 and 1st leg was 1–2, what was the 2nd leg?
SQL: SELECT "2nd_leg" FROM uefa_europa_league_matches WHERE "1st_leg" = '1–2' AND "team_2" = 'hapoel tel aviv'