Table: fibaecc_1964_65
Columns: team_1
agg
team_2
1st_leg
2nd_leg

Question: What was the aggregate for a team #2 of Okk Beograd?
SQL: SELECT "agg" FROM fibaecc_1964_65 WHERE "team_2" = 'okk beograd'

Question: What was the 2nd leg score for Chemie Halle?
SQL: SELECT "2nd_leg" FROM fibaecc_1964_65 WHERE "team_1" = 'chemie halle'