CREATE TABLE table_12313 ("Date" CLOB, "Location" CLOB, "Score" CLOB, "Result" CLOB, "Competition" CLOB)

What date has a result of win, in a friendly competition in Porto?
SELECT "Date" FROM table_12313 WHERE "Result" = 'win' AND "Competition" = 'friendly' AND "Location" = 'porto'
SELECT "Date" FROM "table_12313" WHERE "Competition" = 'friendly' AND "Location" = 'porto' AND "Result" = 'win'