CREATE TABLE table_37144 ("Date" TEXT, "City" TEXT, "Opponent" TEXT, "Results\\u00b9" TEXT, "Type of game" TEXT)

What day were the results 3:0?
SELECT "Date" FROM table_37144 WHERE "Results\u00b9" = '3:0'
SELECT "Date" FROM "table_37144" WHERE "Results\u00b9" = '3:0'