Table: copasudamericana_2009_match_3
Columns: team_1
points
team_2
1st_leg
2nd_leg

Question: What is 1st Leg, when Team #2 is "Emelec"?
SQL: SELECT "1st_leg" FROM copasudamericana_2009_match_3 WHERE "team_2" = 'emelec'

Question: What is 1st Leg, when Team #1 is "San Lorenzo"?
SQL: SELECT "1st_leg" FROM copasudamericana_2009_match_3 WHERE "team_1" = 'san lorenzo'