Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE table_6654 ( "Date" text, "City" text, "Opponent" text, "Results\u00b9" text, "Type of game" text )

### Question ###
Who was the opponent in Belgrade and had a result of 5:2?

### Accurate SQL ###

SELECT "Opponent" FROM table_6654 WHERE "City" = 'belgrade' AND "Results\u00b9" = '5:2'