Table: copasudamericana_2009_match_2
Columns: team_1
points
team_2
1st_leg
2nd_leg

Question: When they played San Lorenzo, what was the score of the second leg?
SQL: SELECT "2nd_leg" FROM copasudamericana_2009_match_2 WHERE "team_1" = 'San Lorenzo'

Question: When they played Universidad de Chile, what was the score of the first leg?
SQL: SELECT COUNT("1st_leg") FROM copasudamericana_2009_match_2 WHERE "team_2" = 'Universidad de Chile'

Question: Who played San Lorenzo?
SQL: SELECT "team_2" FROM copasudamericana_2009_match_2 WHERE "team_1" = 'San Lorenzo'

Question: Who played River Plate?
SQL: SELECT "team_2" FROM copasudamericana_2009_match_2 WHERE "team_1" = 'River Plate'