European Cup, Euroleague and LEN Champions League records and statistics

Columns: Country | Winners | Runners-up | Winning clubs | Runners-up
Soviet Union | 2 | 6 | MGU Moscow ( 1 ) , CSKA Moscow ( 1 ) | Dynamo Moscow ( 3 ) , CSKA Moscow ( 2 ) , Dynamo Alma-Ata ( 1 ) | Greece | 2 | 3 | Olympiacos ( 2 ) | Olympiacos ( 3 ) | Montenegro | 1 | 1 | Primorac Kotor ( 1 ) | Primorac Kotor ( 1 ) | Netherlands | 0 | 2 | - | Zian ( 1 ) , Alphen ( 1 ) | East Germany | 0 | 1 | - | Magdeburg ( 1 ) | Romania | 0 | 1 | - | Dinamo Bucureşti ( 1 )

Example questions:
What are the number of European Cup runners-up from the country whose winning club won six national championships in a row between 1969 and 1974 ? | What is the number of European Cup runners-up of the country that includes The Carpathian Mountains ? | What is the country whose European Cup winning club was founded in 1925 ?

Answers:
9 | 1 | Greece