Table: yugoslav_football_results_8
Columns: date
city
opponent
results
type_of_game

Question: what city has a game of friendly and an opponent of tunisia?
SQL: SELECT "city" FROM yugoslav_football_results_8 WHERE "type_of_game" = 'friendly' AND "opponent" = 'tunisia'

Question: what are the results of the opponent of spain?
SQL: SELECT "results" FROM yugoslav_football_results_8 WHERE "opponent" = 'spain'

Question: what results are dated december 19?
SQL: SELECT "results" FROM yugoslav_football_results_8 WHERE "date" = 'december 19'

Question: what city has the results of 4:2?
SQL: SELECT "city" FROM yugoslav_football_results_8 WHERE "results" = '4:2'

Question: what type of game has the resuts of 1:0?
SQL: SELECT "type_of_game" FROM yugoslav_football_results_8 WHERE "results" = '1:0'