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

Question: What is Team 1, when Team 2 is Saint Louis?
SQL: SELECT "team_1" FROM africacup_matches WHERE "team_2" = 'saint louis'

Question: What is Agg., when Team 2 is Mukungwa?
SQL: SELECT "agg" FROM africacup_matches WHERE "team_2" = 'mukungwa'