Table:
text: Yugoslavia national football team results
1963
1963
Date_ City Opponent Results¹ Type_of_game
March 31 Bruxelles , Belgium Belgium 1:0 Euro `64 Qualifying
June 19 Belgrade Sweden 0:0 Euro `64 Qualifying
September 18 Malmö , Sweden Sweden 2:3 Euro `64 Qualifying
October 6 Belgrade Hungary 2:0 Friendly
October 27 Bucarest , Romania Romania 1:2 Friendly
November 3 Zagreb Czechoslovakia 2:0 Friendly

Question: Among Yugoslavia national football team results, who was the opposing team during the game in Zagreb in 1963?