Table: concacaf_champs_1988
Columns: team_1
agg
team_2
1st_leg
2nd_leg

Question: Name the agg for team 2 of asl sport guyanais.
SQL: SELECT "agg" FROM concacaf_champs_1988 WHERE "team_2" = 'asl sport guyanais'

Question: Name the agg for seba united
SQL: SELECT "agg" FROM concacaf_champs_1988 WHERE "team_1" = 'seba united'

Question: Name the 2nd leg for defence force
SQL: SELECT "2nd_leg" FROM concacaf_champs_1988 WHERE "team_2" = 'defence force'