CREATE TABLE table_67222 ("Goal" FLOAT, "Date" TEXT, "Venue" TEXT, "Score" TEXT, "Result" TEXT, "Competition" TEXT)

On what date was a friendly competition and a result of 3 0?
SELECT "Date" FROM table_67222 WHERE "Competition" = 'friendly' AND "Result" = '3–0'
SELECT "Date" FROM "table_67222" WHERE "Competition" = 'friendly' AND "Result" = '3–0'