CREATE TABLE table_59893 ("Date" TEXT, "Opponent" TEXT, "Score" TEXT, "Result" TEXT, "Competition" TEXT)

What date was the UEFA Cup against Panathinaikos?
SELECT "Date" FROM table_59893 WHERE "Competition" = 'uefa cup' AND "Opponent" = 'panathinaikos'
SELECT "Date" FROM "table_59893" WHERE "Competition" = 'uefa cup' AND "Opponent" = 'panathinaikos'