CREATE TABLE table_name_91 (city VARCHAR, score VARCHAR, result VARCHAR, competition VARCHAR)

Which City has a Result of w, and a Competition of international friendly (unofficial match), and a Score of 1-0?
SELECT city FROM table_name_91 WHERE result = "w" AND competition = "international friendly (unofficial match)" AND score = "1-0"
SELECT "city" FROM "table_name_91" WHERE "1-0" = "score" AND "competition" = "international friendly (unofficial match)" AND "result" = "w"