SCHEMA:
CREATE TABLE table_name_65 (year VARCHAR, venue VARCHAR, winner VARCHAR, runner_up VARCHAR)
USER:
When is the winner panathinaikos, the runner-up olympiacos and the venue nikos goumas stadium?

QUERY:
SELECT year FROM table_name_65 WHERE winner = "panathinaikos" AND runner_up = "olympiacos" AND venue = "nikos goumas stadium"