CREATE TABLE table_36438 ("Date" TEXT, "City" TEXT, "Opponent" TEXT, "Results\\u00b9" TEXT, "Type of game" TEXT)

What Opponent has a Results of 1:3?
SELECT "Opponent" FROM table_36438 WHERE "Results\u00b9" = '1:3'
SELECT "Opponent" FROM "table_36438" WHERE "Results\u00b9" = '1:3'