Table: uefa_cup_match_3
Columns: team_1
agg
team_2
1st_leg
2nd_leg

Question: What is Agg., when Team 1 is "Tirana"?
SQL: SELECT "agg" FROM uefa_cup_match_3 WHERE "team_1" = 'tirana'

Question: What is 2nd Leg, when Team 2 is "Dunaferr"?
SQL: SELECT "2nd_leg" FROM uefa_cup_match_3 WHERE "team_2" = 'dunaferr'