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

Question: Name the team number 1 for san lorenzo
SQL: SELECT "team_1" FROM copasudam_firststage WHERE "team_2" = 'San Lorenzo'

Question: Name the team #2 for river plate
SQL: SELECT "team_2" FROM copasudam_firststage WHERE "team_1" = 'River Plate'

Question: Name the points for zamora
SQL: SELECT "points" FROM copasudam_firststage WHERE "team_1" = 'Zamora'

Question: Name the 2nd leg for boca juniors
SQL: SELECT "2nd_leg" FROM copasudam_firststage WHERE "team_1" = 'Boca Juniors'